Home / 265,962,968.20-398,944,452.30-259,991,000.20

Finding the Fourth Proportional to 265,962,968.20, 398,944,452.30 and 259,991,000.20

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Solution

The fourth proportional to 265,962,968.20, 398,944,452.30 and 259,991,000.20 is: 389,986,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,962,968.20 : 398,944,452.30 = 259,991,000.20 : x
  2. Step 2: Convert to fraction form
    265,962,968.20/398,944,452.30 = 259,991,000.20/x
  3. Step 3: Cross multiply
    265,962,968.20x = 398,944,452.30 × 259,991,000.20
  4. Step 4: Simplify right side
    265,962,968.20x = 103,721,967,177,718,192
  5. Step 5: Solve for x
    x = 103,721,967,177,718,192/265,962,968.20
  6. Step 6: Final answer
    x = 389,986,500.30

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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.