Home / 6,787,074,857.42-9,366,016,500.78-3,929,337,583.52

Finding the Fourth Proportional to 6,787,074,857.42, 9,366,016,500.78 and 3,929,337,583.52

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Solution

The fourth proportional to 6,787,074,857.42, 9,366,016,500.78 and 3,929,337,583.52 is: 5,422,400,874.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787,074,857.42 : 9,366,016,500.78 = 3,929,337,583.52 : x
  2. Step 2: Convert to fraction form
    6,787,074,857.42/9,366,016,500.78 = 3,929,337,583.52/x
  3. Step 3: Cross multiply
    6,787,074,857.42x = 9,366,016,500.78 × 3,929,337,583.52
  4. Step 4: Simplify right side
    6,787,074,857.42x = 36,802,240,644,383,334,400
  5. Step 5: Solve for x
    x = 36,802,240,644,383,334,400/6,787,074,857.42
  6. Step 6: Final answer
    x = 5,422,400,874.83

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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.