Home / 1,098,135,785.23-1,647,202,286.81-280,248,104.59

Finding the Fourth Proportional to 1,098,135,785.23, 1,647,202,286.81 and 280,248,104.59

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Solution

The fourth proportional to 1,098,135,785.23, 1,647,202,286.81 and 280,248,104.59 is: 420,371,801.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,135,785.23 : 1,647,202,286.81 = 280,248,104.59 : x
  2. Step 2: Convert to fraction form
    1,098,135,785.23/1,647,202,286.81 = 280,248,104.59/x
  3. Step 3: Cross multiply
    1,098,135,785.23x = 1,647,202,286.81 × 280,248,104.59
  4. Step 4: Simplify right side
    1,098,135,785.23x = 461,625,318,754,816,000
  5. Step 5: Solve for x
    x = 461,625,318,754,816,000/1,098,135,785.23
  6. Step 6: Final answer
    x = 420,371,801.89

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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.