Home / 725,793,808.80-1,087,993,983.60-240,870,007.20

Finding the Fourth Proportional to 725,793,808.80, 1,087,993,983.60 and 240,870,007.20

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Solution

The fourth proportional to 725,793,808.80, 1,087,993,983.60 and 240,870,007.20 is: 361,073,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,793,808.80 : 1,087,993,983.60 = 240,870,007.20 : x
  2. Step 2: Convert to fraction form
    725,793,808.80/1,087,993,983.60 = 240,870,007.20/x
  3. Step 3: Cross multiply
    725,793,808.80x = 1,087,993,983.60 × 240,870,007.20
  4. Step 4: Simplify right side
    725,793,808.80x = 262,065,118,663,288,640
  5. Step 5: Solve for x
    x = 262,065,118,663,288,640/725,793,808.80
  6. Step 6: Final answer
    x = 361,073,786.36

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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.