Home / 1,801,691,279.73-2,486,436,419.45-1,008,730,321.47

Finding the Fourth Proportional to 1,801,691,279.73, 2,486,436,419.45 and 1,008,730,321.47

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Solution

The fourth proportional to 1,801,691,279.73, 2,486,436,419.45 and 1,008,730,321.47 is: 1,392,105,205.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801,691,279.73 : 2,486,436,419.45 = 1,008,730,321.47 : x
  2. Step 2: Convert to fraction form
    1,801,691,279.73/2,486,436,419.45 = 1,008,730,321.47/x
  3. Step 3: Cross multiply
    1,801,691,279.73x = 2,486,436,419.45 × 1,008,730,321.47
  4. Step 4: Simplify right side
    1,801,691,279.73x = 2,508,143,808,709,036,032
  5. Step 5: Solve for x
    x = 2,508,143,808,709,036,032/1,801,691,279.73
  6. Step 6: Final answer
    x = 1,392,105,205.22

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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.