Home / 1,098,135,791.73-1,647,202,296.56-280,248,111.09

Finding the Fourth Proportional to 1,098,135,791.73, 1,647,202,296.56 and 280,248,111.09

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Solution

The fourth proportional to 1,098,135,791.73, 1,647,202,296.56 and 280,248,111.09 is: 420,371,811.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,135,791.73 : 1,647,202,296.56 = 280,248,111.09 : x
  2. Step 2: Convert to fraction form
    1,098,135,791.73/1,647,202,296.56 = 280,248,111.09/x
  3. Step 3: Cross multiply
    1,098,135,791.73x = 1,647,202,296.56 × 280,248,111.09
  4. Step 4: Simplify right side
    1,098,135,791.73x = 461,625,332,192,648,768
  5. Step 5: Solve for x
    x = 461,625,332,192,648,768/1,098,135,791.73
  6. Step 6: Final answer
    x = 420,371,811.64

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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.