Home / 1,591,337,358.30-2,387,006,037.45-816,496,380.30

Finding the Fourth Proportional to 1,591,337,358.30, 2,387,006,037.45 and 816,496,380.30

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Solution

The fourth proportional to 1,591,337,358.30, 2,387,006,037.45 and 816,496,380.30 is: 1,224,744,570.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,337,358.30 : 2,387,006,037.45 = 816,496,380.30 : x
  2. Step 2: Convert to fraction form
    1,591,337,358.30/2,387,006,037.45 = 816,496,380.30/x
  3. Step 3: Cross multiply
    1,591,337,358.30x = 2,387,006,037.45 × 816,496,380.30
  4. Step 4: Simplify right side
    1,591,337,358.30x = 1,948,981,789,332,171,008
  5. Step 5: Solve for x
    x = 1,948,981,789,332,171,008/1,591,337,358.30
  6. Step 6: Final answer
    x = 1,224,744,570.45

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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.