Home / 970,882,534.11-1,340,182,250.25-636,376,613.25

Finding the Fourth Proportional to 970,882,534.11, 1,340,182,250.25 and 636,376,613.25

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Solution

The fourth proportional to 970,882,534.11, 1,340,182,250.25 and 636,376,613.25 is: 878,438,545.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,882,534.11 : 1,340,182,250.25 = 636,376,613.25 : x
  2. Step 2: Convert to fraction form
    970,882,534.11/1,340,182,250.25 = 636,376,613.25/x
  3. Step 3: Cross multiply
    970,882,534.11x = 1,340,182,250.25 × 636,376,613.25
  4. Step 4: Simplify right side
    970,882,534.11x = 852,860,641,551,858,944
  5. Step 5: Solve for x
    x = 852,860,641,551,858,944/970,882,534.11
  6. Step 6: Final answer
    x = 878,438,545.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.