Gordon Brown has promised Britain will "lead the way" through the global financial crisis ahead of an emergency summit of European leaders in Paris.
Writing in the Sunday Mirror, the prime minister said he would urge Europe to copy his blueprint to end the turmoil.
Mr Brown is to hold talks with French President Nicolas Sarkozy before the eurozone members' meeting.
Meanwhile, UK Chancellor Alistair Darling has been debating the crisis with G7 leaders in Washington.
Downing Street said the prime minister would meet Mr Sarkozy, along with the head of the European Commission and governor of the European Central Bank.
As the UK has not adopted the euro, Mr Brown had not been due to take part in the meeting of eurozone leaders but a Downing Street spokesman said the French president had invited him to attend part of it.
Mr Sarkozy said he planned to meet the British prime minister in order to "maximise" efforts by European leaders to deal with the global financial crisis, which has seen global equity markets go into freefall and the collapse of several leading international banks.
'British spirit'
In the Sunday Mirror, the prime minister said he would urge his European counterparts to copy the UK's Ј500bn package, half of which is a guarantee to British banks, he announced earlier this week.
He also echoed a warning from US President George W Bush after the G7 summit in Washington that countries must not "turn against each other" or seek isolation amid the chaos.
"For Europe, the stakes could not be higher and this is a moment of truth," he said.
"No country - not even the biggest - can make it just on their own at a time like this.
"We are all in it together and have to work to solve it together."
He said he knew people were "worried" but praised the resilience of the British public.
"I've seen in the cities and town I've visited a clam, determined British spirit; that while this is a world financial crisis that started in America, Britain will lead the way in pulling through," he said.
While the world economy has taken a nosedive, it seems Mr Brown's handling of the downturn has improved his standing with the British public.
A YouGov poll for the Sunday Times showed Mr Brown and Mr Darling were more trusted the run the economy than their opposite Conservative numbers by a margin of 33% to 27%.
And Mr Brown's personal approval rating has also improved by 19 points over the past month, although it still remains in negative territory at minus 34%.
Global response
EU leaders are scheduled to meet in Brussels on Wednesday, with Sunday's gathering of eurozone members in Paris arranged hastily by Mr Sarkozy after an apocalyptic week on the stock markets.
Mr Brown met his counterparts from France, Germany and Italy for emergency talks last weekend, but they failed to agree on a common plan beyond a cut in interest rates.
In Washington, finance ministers, including Mr Darling, have pledged action to tackle the global financial meltdown, including a plan to unfreeze credit markets.
Speaking after talks with the heads of the Group of Seven (G7) and International Monetary Fund (IMF), President Bush said the serious global financial crisis demanded a serious global response.
Meanwhile, a Treasury delegation is in Reykjavik for talks to resolve the dispute over frozen UK investments held in failed Icelandic banks.
The group wants to establish a claims procedure for British depositors to get their money back as soon as possible.
(BBC)
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