Home / 419,856,549.20-629,784,823.80-267,179,454.80

Finding the Fourth Proportional to 419,856,549.20, 629,784,823.80 and 267,179,454.80

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Solution

The fourth proportional to 419,856,549.20, 629,784,823.80 and 267,179,454.80 is: 400,769,182.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,856,549.20 : 629,784,823.80 = 267,179,454.80 : x
  2. Step 2: Convert to fraction form
    419,856,549.20/629,784,823.80 = 267,179,454.80/x
  3. Step 3: Cross multiply
    419,856,549.20x = 629,784,823.80 × 267,179,454.80
  4. Step 4: Simplify right side
    419,856,549.20x = 168,265,565,864,198,048
  5. Step 5: Solve for x
    x = 168,265,565,864,198,048/419,856,549.20
  6. Step 6: Final answer
    x = 400,769,182.20

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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.