Home / 758,541,545.44-1,137,812,761.02-213,283,079.44

Finding the Fourth Proportional to 758,541,545.44, 1,137,812,761.02 and 213,283,079.44

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Solution

The fourth proportional to 758,541,545.44, 1,137,812,761.02 and 213,283,079.44 is: 319,924,743.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,541,545.44 : 1,137,812,761.02 = 213,283,079.44 : x
  2. Step 2: Convert to fraction form
    758,541,545.44/1,137,812,761.02 = 213,283,079.44/x
  3. Step 3: Cross multiply
    758,541,545.44x = 1,137,812,761.02 × 213,283,079.44
  4. Step 4: Simplify right side
    758,541,545.44x = 242,676,209,494,440,320
  5. Step 5: Solve for x
    x = 242,676,209,494,440,320/758,541,545.44
  6. Step 6: Final answer
    x = 319,924,743.68

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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.