Finding the Fourth Proportional to 352,427,136.17, 486,320,976.74 and 203,757,839.55
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Solution
The fourth proportional to 352,427,136.17, 486,320,976.74 and 203,757,839.55 is: 281,169,357.81
Step by Step Solution
- Step 1: Write the proportion equation
352,427,136.17 : 486,320,976.74 = 203,757,839.55 : x - Step 2: Convert to fraction form
352,427,136.17/486,320,976.74 = 203,757,839.55/x - Step 3: Cross multiply
352,427,136.17x = 486,320,976.74 × 203,757,839.55 - Step 4: Simplify right side
352,427,136.17x = 99,091,711,548,897,600 - Step 5: Solve for x
x = 99,091,711,548,897,600/352,427,136.17 - Step 6: Final answer
x = 281,169,357.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.