Home / 1,461,470,793.90-2,192,206,190.85-686,629,815.90

Finding the Fourth Proportional to 1,461,470,793.90, 2,192,206,190.85 and 686,629,815.90

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Solution

The fourth proportional to 1,461,470,793.90, 2,192,206,190.85 and 686,629,815.90 is: 1,029,944,723.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,470,793.90 : 2,192,206,190.85 = 686,629,815.90 : x
  2. Step 2: Convert to fraction form
    1,461,470,793.90/2,192,206,190.85 = 686,629,815.90/x
  3. Step 3: Cross multiply
    1,461,470,793.90x = 2,192,206,190.85 × 686,629,815.90
  4. Step 4: Simplify right side
    1,461,470,793.90x = 1,505,234,133,238,175,744
  5. Step 5: Solve for x
    x = 1,505,234,133,238,175,744/1,461,470,793.90
  6. Step 6: Final answer
    x = 1,029,944,723.85

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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.