Home / 419,856,549.70-629,784,824.55-267,179,455.30

Finding the Fourth Proportional to 419,856,549.70, 629,784,824.55 and 267,179,455.30

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Solution

The fourth proportional to 419,856,549.70, 629,784,824.55 and 267,179,455.30 is: 400,769,182.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,856,549.70 : 629,784,824.55 = 267,179,455.30 : x
  2. Step 2: Convert to fraction form
    419,856,549.70/629,784,824.55 = 267,179,455.30/x
  3. Step 3: Cross multiply
    419,856,549.70x = 629,784,824.55 × 267,179,455.30
  4. Step 4: Simplify right side
    419,856,549.70x = 168,265,566,379,475,072
  5. Step 5: Solve for x
    x = 168,265,566,379,475,072/419,856,549.70
  6. Step 6: Final answer
    x = 400,769,182.95

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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.