Home / 261,360,331.20-392,040,496.80-240,952,996.80

Finding the Fourth Proportional to 261,360,331.20, 392,040,496.80 and 240,952,996.80

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Solution

The fourth proportional to 261,360,331.20, 392,040,496.80 and 240,952,996.80 is: 361,429,495.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,360,331.20 : 392,040,496.80 = 240,952,996.80 : x
  2. Step 2: Convert to fraction form
    261,360,331.20/392,040,496.80 = 240,952,996.80/x
  3. Step 3: Cross multiply
    261,360,331.20x = 392,040,496.80 × 240,952,996.80
  4. Step 4: Simplify right side
    261,360,331.20x = 94,463,332,570,920,816
  5. Step 5: Solve for x
    x = 94,463,332,570,920,816/261,360,331.20
  6. Step 6: Final answer
    x = 361,429,495.20

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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.