Home / 4,226,155,404.60-6,340,128,902.10-1,278,192,934.20

Finding the Fourth Proportional to 4,226,155,404.60, 6,340,128,902.10 and 1,278,192,934.20

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Solution

The fourth proportional to 4,226,155,404.60, 6,340,128,902.10 and 1,278,192,934.20 is: 1,917,560,332.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,226,155,404.60 : 6,340,128,902.10 = 1,278,192,934.20 : x
  2. Step 2: Convert to fraction form
    4,226,155,404.60/6,340,128,902.10 = 1,278,192,934.20/x
  3. Step 3: Cross multiply
    4,226,155,404.60x = 6,340,128,902.10 × 1,278,192,934.20
  4. Step 4: Simplify right side
    4,226,155,404.60x = 8,103,907,964,581,424,128
  5. Step 5: Solve for x
    x = 8,103,907,964,581,424,128/4,226,155,404.60
  6. Step 6: Final answer
    x = 1,917,560,332.91

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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.