Home / 725,792,500.80-1,087,992,021.60-240,868,699.20

Finding the Fourth Proportional to 725,792,500.80, 1,087,992,021.60 and 240,868,699.20

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Solution

The fourth proportional to 725,792,500.80, 1,087,992,021.60 and 240,868,699.20 is: 361,071,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,792,500.80 : 1,087,992,021.60 = 240,868,699.20 : x
  2. Step 2: Convert to fraction form
    725,792,500.80/1,087,992,021.60 = 240,868,699.20/x
  3. Step 3: Cross multiply
    725,792,500.80x = 1,087,992,021.60 × 240,868,699.20
  4. Step 4: Simplify right side
    725,792,500.80x = 262,063,222,982,770,272
  5. Step 5: Solve for x
    x = 262,063,222,982,770,272/725,792,500.80
  6. Step 6: Final answer
    x = 361,071,825.20

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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.