Finding the Fourth Proportional to 385,121,557.26, 577,958,153.13 and 163,947,962.70
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Solution
The fourth proportional to 385,121,557.26, 577,958,153.13 and 163,947,962.70 is: 246,039,360.68
Step by Step Solution
- Step 1: Write the proportion equation
385,121,557.26 : 577,958,153.13 = 163,947,962.70 : x - Step 2: Convert to fraction form
385,121,557.26/577,958,153.13 = 163,947,962.70/x - Step 3: Cross multiply
385,121,557.26x = 577,958,153.13 × 163,947,962.70 - Step 4: Simplify right side
385,121,557.26x = 94,755,061,731,518,128 - Step 5: Solve for x
x = 94,755,061,731,518,128/385,121,557.26 - Step 6: Final answer
x = 246,039,360.68
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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.