Finding the Fourth Proportional to 482,454,489.12, 721,855,528.56 and 285,823,467.88
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Solution
The fourth proportional to 482,454,489.12, 721,855,528.56 and 285,823,467.88 is: 427,653,291.94
Step by Step Solution
- Step 1: Write the proportion equation
482,454,489.12 : 721,855,528.56 = 285,823,467.88 : x - Step 2: Convert to fraction form
482,454,489.12/721,855,528.56 = 285,823,467.88/x - Step 3: Cross multiply
482,454,489.12x = 721,855,528.56 × 285,823,467.88 - Step 4: Simplify right side
482,454,489.12x = 206,323,250,481,369,568 - Step 5: Solve for x
x = 206,323,250,481,369,568/482,454,489.12 - Step 6: Final answer
x = 427,653,291.94
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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.