Finding the Fourth Proportional to 517,151,650.61, 713,684,418.99 and 282,217,453.93
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Solution
The fourth proportional to 517,151,650.61, 713,684,418.99 and 282,217,453.93 is: 389,468,349.17
Step by Step Solution
- Step 1: Write the proportion equation
517,151,650.61 : 713,684,418.99 = 282,217,453.93 : x - Step 2: Convert to fraction form
517,151,650.61/713,684,418.99 = 282,217,453.93/x - Step 3: Cross multiply
517,151,650.61x = 713,684,418.99 × 282,217,453.93 - Step 4: Simplify right side
517,151,650.61x = 201,414,199,636,419,520 - Step 5: Solve for x
x = 201,414,199,636,419,520/517,151,650.61 - Step 6: Final answer
x = 389,468,349.17
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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.