Home / 987,844,006.34-1,481,853,107.34-278,798,887.52

Finding the Fourth Proportional to 987,844,006.34, 1,481,853,107.34 and 278,798,887.52

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Solution

The fourth proportional to 987,844,006.34, 1,481,853,107.34 and 278,798,887.52 is: 418,222,912.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,844,006.34 : 1,481,853,107.34 = 278,798,887.52 : x
  2. Step 2: Convert to fraction form
    987,844,006.34/1,481,853,107.34 = 278,798,887.52/x
  3. Step 3: Cross multiply
    987,844,006.34x = 1,481,853,107.34 × 278,798,887.52
  4. Step 4: Simplify right side
    987,844,006.34x = 413,138,997,794,447,104
  5. Step 5: Solve for x
    x = 413,138,997,794,447,104/987,844,006.34
  6. Step 6: Final answer
    x = 418,222,912.87

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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.