Home / 725,793,805.80-1,087,993,979.10-240,870,004.20

Finding the Fourth Proportional to 725,793,805.80, 1,087,993,979.10 and 240,870,004.20

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Solution

The fourth proportional to 725,793,805.80, 1,087,993,979.10 and 240,870,004.20 is: 361,073,781.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,793,805.80 : 1,087,993,979.10 = 240,870,004.20 : x
  2. Step 2: Convert to fraction form
    725,793,805.80/1,087,993,979.10 = 240,870,004.20/x
  3. Step 3: Cross multiply
    725,793,805.80x = 1,087,993,979.10 × 240,870,004.20
  4. Step 4: Simplify right side
    725,793,805.80x = 262,065,114,315,391,680
  5. Step 5: Solve for x
    x = 262,065,114,315,391,680/725,793,805.80
  6. Step 6: Final answer
    x = 361,073,781.87

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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.