Finding the Fourth Proportional to 412,829,636.07, 569,704,732.97 and 227,190,651.87
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Solution
The fourth proportional to 412,829,636.07, 569,704,732.97 and 227,190,651.87 is: 313,523,008.88
Step by Step Solution
- Step 1: Write the proportion equation
412,829,636.07 : 569,704,732.97 = 227,190,651.87 : x - Step 2: Convert to fraction form
412,829,636.07/569,704,732.97 = 227,190,651.87/x - Step 3: Cross multiply
412,829,636.07x = 569,704,732.97 × 227,190,651.87 - Step 4: Simplify right side
412,829,636.07x = 129,431,589,655,742,640 - Step 5: Solve for x
x = 129,431,589,655,742,640/412,829,636.07 - Step 6: Final answer
x = 313,523,008.88
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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.