Finding the Fourth Proportional to 431,587,610.91, 595,645,451.96 and 283,033,711.35
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Solution
The fourth proportional to 431,587,610.91, 595,645,451.96 and 283,033,711.35 is: 390,622,294.65
Step by Step Solution
- Step 1: Write the proportion equation
431,587,610.91 : 595,645,451.96 = 283,033,711.35 : x - Step 2: Convert to fraction form
431,587,610.91/595,645,451.96 = 283,033,711.35/x - Step 3: Cross multiply
431,587,610.91x = 595,645,451.96 × 283,033,711.35 - Step 4: Simplify right side
431,587,610.91x = 168,587,742,915,571,776 - Step 5: Solve for x
x = 168,587,742,915,571,776/431,587,610.91 - Step 6: Final answer
x = 390,622,294.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.