A country will produce 3000 missiles this year. Each of the short-range missiles costs $200,000 to produce. Each of the medium-range missiles costs
$300,000 to produce. The ratio of the number of short-range to medium-range
to long-range missiles the country plans to produce this year is 3:3:4. The
country plans to use $870,000,000 to produce these missiles. How much does
it cost to produce a long-range missile?
$