Home / 347,131,468,354.87-520,764,258,016.90-131,983,282,451.82

Finding the Fourth Proportional to 347,131,468,354.87, 520,764,258,016.90 and 131,983,282,451.82

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Solution

The fourth proportional to 347,131,468,354.87, 520,764,258,016.90 and 131,983,282,451.82 is: 198,000,418,925.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,131,468,354.87 : 520,764,258,016.90 = 131,983,282,451.82 : x
  2. Step 2: Convert to fraction form
    347,131,468,354.87/520,764,258,016.90 = 131,983,282,451.82/x
  3. Step 3: Cross multiply
    347,131,468,354.87x = 520,764,258,016.90 × 131,983,282,451.82
  4. Step 4: Simplify right side
    347,131,468,354.87x = 68,732,176,156,656,987,537,408
  5. Step 5: Solve for x
    x = 68,732,176,156,656,987,537,408/347,131,468,354.87
  6. Step 6: Final answer
    x = 198,000,418,925.99

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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.