Home / 1,591,337,357.80-2,387,006,036.70-816,496,379.80

Finding the Fourth Proportional to 1,591,337,357.80, 2,387,006,036.70 and 816,496,379.80

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Solution

The fourth proportional to 1,591,337,357.80, 2,387,006,036.70 and 816,496,379.80 is: 1,224,744,569.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,337,357.80 : 2,387,006,036.70 = 816,496,379.80 : x
  2. Step 2: Convert to fraction form
    1,591,337,357.80/2,387,006,036.70 = 816,496,379.80/x
  3. Step 3: Cross multiply
    1,591,337,357.80x = 2,387,006,036.70 × 816,496,379.80
  4. Step 4: Simplify right side
    1,591,337,357.80x = 1,948,981,787,526,295,552
  5. Step 5: Solve for x
    x = 1,948,981,787,526,295,552/1,591,337,357.80
  6. Step 6: Final answer
    x = 1,224,744,569.70

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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.