Home / 812,998,037.04-1,121,947,494.92-441,726,268.56

Finding the Fourth Proportional to 812,998,037.04, 1,121,947,494.92 and 441,726,268.56

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Solution

The fourth proportional to 812,998,037.04, 1,121,947,494.92 and 441,726,268.56 is: 609,587,794.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,998,037.04 : 1,121,947,494.92 = 441,726,268.56 : x
  2. Step 2: Convert to fraction form
    812,998,037.04/1,121,947,494.92 = 441,726,268.56/x
  3. Step 3: Cross multiply
    812,998,037.04x = 1,121,947,494.92 × 441,726,268.56
  4. Step 4: Simplify right side
    812,998,037.04x = 495,593,680,451,251,200
  5. Step 5: Solve for x
    x = 495,593,680,451,251,200/812,998,037.04
  6. Step 6: Final answer
    x = 609,587,794.65

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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.