Home / 2,087,496,974.31-3,131,246,348.42-613,636,886.76

Finding the Fourth Proportional to 2,087,496,974.31, 3,131,246,348.42 and 613,636,886.76

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Solution

The fourth proportional to 2,087,496,974.31, 3,131,246,348.42 and 613,636,886.76 is: 920,455,590.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,496,974.31 : 3,131,246,348.42 = 613,636,886.76 : x
  2. Step 2: Convert to fraction form
    2,087,496,974.31/3,131,246,348.42 = 613,636,886.76/x
  3. Step 3: Cross multiply
    2,087,496,974.31x = 3,131,246,348.42 × 613,636,886.76
  4. Step 4: Simplify right side
    2,087,496,974.31x = 1,921,448,260,919,998,720
  5. Step 5: Solve for x
    x = 1,921,448,260,919,998,720/2,087,496,974.31
  6. Step 6: Final answer
    x = 920,455,590.87

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Double scale
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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.