Finding the Fourth Proportional to 412,829,754.18, 569,704,896.36 and 227,190,769.80
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Solution
The fourth proportional to 412,829,754.18, 569,704,896.36 and 227,190,769.80 is: 313,523,171.85
Step by Step Solution
- Step 1: Write the proportion equation
412,829,754.18 : 569,704,896.36 = 227,190,769.80 : x - Step 2: Convert to fraction form
412,829,754.18/569,704,896.36 = 227,190,769.80/x - Step 3: Cross multiply
412,829,754.18x = 569,704,896.36 × 227,190,769.80 - Step 4: Simplify right side
412,829,754.18x = 129,431,693,962,857,632 - Step 5: Solve for x
x = 129,431,693,962,857,632/412,829,754.18 - Step 6: Final answer
x = 313,523,171.85
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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.