Home / 563,676,515.20-845,514,772.80-321,811,811.20

Finding the Fourth Proportional to 563,676,515.20, 845,514,772.80 and 321,811,811.20

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Solution

The fourth proportional to 563,676,515.20, 845,514,772.80 and 321,811,811.20 is: 482,717,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,676,515.20 : 845,514,772.80 = 321,811,811.20 : x
  2. Step 2: Convert to fraction form
    563,676,515.20/845,514,772.80 = 321,811,811.20/x
  3. Step 3: Cross multiply
    563,676,515.20x = 845,514,772.80 × 321,811,811.20
  4. Step 4: Simplify right side
    563,676,515.20x = 272,096,640,431,124,480
  5. Step 5: Solve for x
    x = 272,096,640,431,124,480/563,676,515.20
  6. Step 6: Final answer
    x = 482,717,716.80

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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.