Home / 3,121,633,691.75-4,680,580,605.17-993,560,171.57

Finding the Fourth Proportional to 3,121,633,691.75, 4,680,580,605.17 and 993,560,171.57

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Solution

The fourth proportional to 3,121,633,691.75, 4,680,580,605.17 and 993,560,171.57 is: 1,489,745,091.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,633,691.75 : 4,680,580,605.17 = 993,560,171.57 : x
  2. Step 2: Convert to fraction form
    3,121,633,691.75/4,680,580,605.17 = 993,560,171.57/x
  3. Step 3: Cross multiply
    3,121,633,691.75x = 4,680,580,605.17 × 993,560,171.57
  4. Step 4: Simplify right side
    3,121,633,691.75x = 4,650,438,469,104,850,944
  5. Step 5: Solve for x
    x = 4,650,438,469,104,850,944/3,121,633,691.75
  6. Step 6: Final answer
    x = 1,489,745,091.30

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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.