Finding the Fourth Proportional to 391,007,545.92, 586,753,518.24 and 227,322,340.11
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Solution
The fourth proportional to 391,007,545.92, 586,753,518.24 and 227,322,340.11 is: 341,124,319.02
Step by Step Solution
- Step 1: Write the proportion equation
391,007,545.92 : 586,753,518.24 = 227,322,340.11 : x - Step 2: Convert to fraction form
391,007,545.92/586,753,518.24 = 227,322,340.11/x - Step 3: Cross multiply
391,007,545.92x = 586,753,518.24 × 227,322,340.11 - Step 4: Simplify right side
391,007,545.92x = 133,382,182,834,092,384 - Step 5: Solve for x
x = 133,382,182,834,092,384/391,007,545.92 - Step 6: Final answer
x = 341,124,319.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.