Home / 958,881,572.10-1,438,322,358.15-442,320,920.10

Finding the Fourth Proportional to 958,881,572.10, 1,438,322,358.15 and 442,320,920.10

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Solution

The fourth proportional to 958,881,572.10, 1,438,322,358.15 and 442,320,920.10 is: 663,481,380.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,881,572.10 : 1,438,322,358.15 = 442,320,920.10 : x
  2. Step 2: Convert to fraction form
    958,881,572.10/1,438,322,358.15 = 442,320,920.10/x
  3. Step 3: Cross multiply
    958,881,572.10x = 1,438,322,358.15 × 442,320,920.10
  4. Step 4: Simplify right side
    958,881,572.10x = 636,200,068,857,309,824
  5. Step 5: Solve for x
    x = 636,200,068,857,309,824/958,881,572.10
  6. Step 6: Final answer
    x = 663,481,380.15

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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.