Finding the Fourth Proportional to 486,479,152.35, 729,758,553.84 and 141,432,356.97
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Solution
The fourth proportional to 486,479,152.35, 729,758,553.84 and 141,432,356.97 is: 212,160,113.73
Step by Step Solution
- Step 1: Write the proportion equation
486,479,152.35 : 729,758,553.84 = 141,432,356.97 : x - Step 2: Convert to fraction form
486,479,152.35/729,758,553.84 = 141,432,356.97/x - Step 3: Cross multiply
486,479,152.35x = 729,758,553.84 × 141,432,356.97 - Step 4: Simplify right side
486,479,152.35x = 103,211,472,288,609,856 - Step 5: Solve for x
x = 103,211,472,288,609,856/486,479,152.35 - Step 6: Final answer
x = 212,160,113.73
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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.