Finding the Fourth Proportional to 319,006,337.18, 440,217,861.62 and 175,957,769.07
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Solution
The fourth proportional to 319,006,337.18, 440,217,861.62 and 175,957,769.07 is: 242,815,718.08
Step by Step Solution
- Step 1: Write the proportion equation
319,006,337.18 : 440,217,861.62 = 175,957,769.07 : x - Step 2: Convert to fraction form
319,006,337.18/440,217,861.62 = 175,957,769.07/x - Step 3: Cross multiply
319,006,337.18x = 440,217,861.62 × 175,957,769.07 - Step 4: Simplify right side
319,006,337.18x = 77,459,752,834,541,392 - Step 5: Solve for x
x = 77,459,752,834,541,392/319,006,337.18 - Step 6: Final answer
x = 242,815,718.08
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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.