Home / 3,979,423,400.80-5,969,135,101.20-3,592,002,911.80

Finding the Fourth Proportional to 3,979,423,400.80, 5,969,135,101.20 and 3,592,002,911.80

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Solution

The fourth proportional to 3,979,423,400.80, 5,969,135,101.20 and 3,592,002,911.80 is: 5,388,004,367.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,423,400.80 : 5,969,135,101.20 = 3,592,002,911.80 : x
  2. Step 2: Convert to fraction form
    3,979,423,400.80/5,969,135,101.20 = 3,592,002,911.80/x
  3. Step 3: Cross multiply
    3,979,423,400.80x = 5,969,135,101.20 × 3,592,002,911.80
  4. Step 4: Simplify right side
    3,979,423,400.80x = 21,441,150,664,437,989,376
  5. Step 5: Solve for x
    x = 21,441,150,664,437,989,376/3,979,423,400.80
  6. Step 6: Final answer
    x = 5,388,004,367.70

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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.