Home / 419,857,029.45-629,785,544.18-267,179,935.05

Finding the Fourth Proportional to 419,857,029.45, 629,785,544.18 and 267,179,935.05

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Solution

The fourth proportional to 419,857,029.45, 629,785,544.18 and 267,179,935.05 is: 400,769,902.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,857,029.45 : 629,785,544.18 = 267,179,935.05 : x
  2. Step 2: Convert to fraction form
    419,857,029.45/629,785,544.18 = 267,179,935.05/x
  3. Step 3: Cross multiply
    419,857,029.45x = 629,785,544.18 × 267,179,935.05
  4. Step 4: Simplify right side
    419,857,029.45x = 168,266,060,788,105,408
  5. Step 5: Solve for x
    x = 168,266,060,788,105,408/419,857,029.45
  6. Step 6: Final answer
    x = 400,769,902.58

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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.