Home / 1,226,836,045.60-1,840,206,829.20-408,948,346.60

Finding the Fourth Proportional to 1,226,836,045.60, 1,840,206,829.20 and 408,948,346.60

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Solution

The fourth proportional to 1,226,836,045.60, 1,840,206,829.20 and 408,948,346.60 is: 613,406,773.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,836,045.60 : 1,840,206,829.20 = 408,948,346.60 : x
  2. Step 2: Convert to fraction form
    1,226,836,045.60/1,840,206,829.20 = 408,948,346.60/x
  3. Step 3: Cross multiply
    1,226,836,045.60x = 1,840,206,829.20 × 408,948,346.60
  4. Step 4: Simplify right side
    1,226,836,045.60x = 752,549,540,203,368,704
  5. Step 5: Solve for x
    x = 752,549,540,203,368,704/1,226,836,045.60
  6. Step 6: Final answer
    x = 613,406,773.38

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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.