Home / 1,344,391,098.96-1,855,391,974.48-815,713,592.16

Finding the Fourth Proportional to 1,344,391,098.96, 1,855,391,974.48 and 815,713,592.16

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Solution

The fourth proportional to 1,344,391,098.96, 1,855,391,974.48 and 815,713,592.16 is: 1,125,765,005.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,391,098.96 : 1,855,391,974.48 = 815,713,592.16 : x
  2. Step 2: Convert to fraction form
    1,344,391,098.96/1,855,391,974.48 = 815,713,592.16/x
  3. Step 3: Cross multiply
    1,344,391,098.96x = 1,855,391,974.48 × 815,713,592.16
  4. Step 4: Simplify right side
    1,344,391,098.96x = 1,513,468,452,367,915,776
  5. Step 5: Solve for x
    x = 1,513,468,452,367,915,776/1,344,391,098.96
  6. Step 6: Final answer
    x = 1,125,765,005.09

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Double scale
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1.5x scale

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.