Home / 419,905,059.90-629,857,589.85-147,177,411.90

Finding the Fourth Proportional to 419,905,059.90, 629,857,589.85 and 147,177,411.90

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Solution

The fourth proportional to 419,905,059.90, 629,857,589.85 and 147,177,411.90 is: 220,766,117.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,905,059.90 : 629,857,589.85 = 147,177,411.90 : x
  2. Step 2: Convert to fraction form
    419,905,059.90/629,857,589.85 = 147,177,411.90/x
  3. Step 3: Cross multiply
    419,905,059.90x = 629,857,589.85 × 147,177,411.90
  4. Step 4: Simplify right side
    419,905,059.90x = 92,700,809,939,694,720
  5. Step 5: Solve for x
    x = 92,700,809,939,694,720/419,905,059.90
  6. Step 6: Final answer
    x = 220,766,117.85

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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.