Finding the Fourth Proportional to 487,251,621.70, 730,877,432.55 and 241,646,163.55
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Solution
The fourth proportional to 487,251,621.70, 730,877,432.55 and 241,646,163.55 is: 362,469,245.33
Step by Step Solution
- Step 1: Write the proportion equation
487,251,621.70 : 730,877,432.55 = 241,646,163.55 : x - Step 2: Convert to fraction form
487,251,621.70/730,877,432.55 = 241,646,163.55/x - Step 3: Cross multiply
487,251,621.70x = 730,877,432.55 × 241,646,163.55 - Step 4: Simplify right side
487,251,621.70x = 176,613,727,600,981,376 - Step 5: Solve for x
x = 176,613,727,600,981,376/487,251,621.70 - Step 6: Final answer
x = 362,469,245.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.