Finding the Fourth Proportional to 1,609,072,840.80, 2,413,609,261.20 and 575,101,231.20
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Solution
The fourth proportional to 1,609,072,840.80, 2,413,609,261.20 and 575,101,231.20 is: 862,651,846.80
Step by Step Solution
- Step 1: Write the proportion equation
1,609,072,840.80 : 2,413,609,261.20 = 575,101,231.20 : x - Step 2: Convert to fraction form
1,609,072,840.80/2,413,609,261.20 = 575,101,231.20/x - Step 3: Cross multiply
1,609,072,840.80x = 2,413,609,261.20 × 575,101,231.20 - Step 4: Simplify right side
1,609,072,840.80x = 1,388,069,657,751,842,304 - Step 5: Solve for x
x = 1,388,069,657,751,842,304/1,609,072,840.80 - Step 6: Final answer
x = 862,651,846.80
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.