Finding the Fourth Proportional to 415,581,116.66, 622,128,889.71 and 251,321,757.62
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Solution
The fourth proportional to 415,581,116.66, 622,128,889.71 and 251,321,757.62 is: 376,231,064.79
Step by Step Solution
- Step 1: Write the proportion equation
415,581,116.66 : 622,128,889.71 = 251,321,757.62 : x - Step 2: Convert to fraction form
415,581,116.66/622,128,889.71 = 251,321,757.62/x - Step 3: Cross multiply
415,581,116.66x = 622,128,889.71 × 251,321,757.62 - Step 4: Simplify right side
415,581,116.66x = 156,354,526,028,096,352 - Step 5: Solve for x
x = 156,354,526,028,096,352/415,581,116.66 - Step 6: Final answer
x = 376,231,064.79
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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.