Finding the Fourth Proportional to 456,162,270.68, 678,375,349.12 and 441,633,854.72
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Solution
The fourth proportional to 456,162,270.68, 678,375,349.12 and 441,633,854.72 is: 656,769,618.26
Step by Step Solution
- Step 1: Write the proportion equation
456,162,270.68 : 678,375,349.12 = 441,633,854.72 : x - Step 2: Convert to fraction form
456,162,270.68/678,375,349.12 = 441,633,854.72/x - Step 3: Cross multiply
456,162,270.68x = 678,375,349.12 × 441,633,854.72 - Step 4: Simplify right side
456,162,270.68x = 299,593,520,378,891,392 - Step 5: Solve for x
x = 299,593,520,378,891,392/456,162,270.68 - Step 6: Final answer
x = 656,769,618.26
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.