Finding the Fourth Proportional to 287,381,325.96, 431,344,519.18 and 177,875,250.76
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Solution
The fourth proportional to 287,381,325.96, 431,344,519.18 and 177,875,250.76 is: 266,981,559.28
Step by Step Solution
- Step 1: Write the proportion equation
287,381,325.96 : 431,344,519.18 = 177,875,250.76 : x - Step 2: Convert to fraction form
287,381,325.96/431,344,519.18 = 177,875,250.76/x - Step 3: Cross multiply
287,381,325.96x = 431,344,519.18 × 177,875,250.76 - Step 4: Simplify right side
287,381,325.96x = 76,725,514,513,094,128 - Step 5: Solve for x
x = 76,725,514,513,094,128/287,381,325.96 - Step 6: Final answer
x = 266,981,559.28
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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.