Home / 345,096,007.20-517,644,010.80-268,001,632.80

Finding the Fourth Proportional to 345,096,007.20, 517,644,010.80 and 268,001,632.80

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Solution

The fourth proportional to 345,096,007.20, 517,644,010.80 and 268,001,632.80 is: 402,002,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,096,007.20 : 517,644,010.80 = 268,001,632.80 : x
  2. Step 2: Convert to fraction form
    345,096,007.20/517,644,010.80 = 268,001,632.80/x
  3. Step 3: Cross multiply
    345,096,007.20x = 517,644,010.80 × 268,001,632.80
  4. Step 4: Simplify right side
    345,096,007.20x = 138,729,440,103,540,848
  5. Step 5: Solve for x
    x = 138,729,440,103,540,848/345,096,007.20
  6. Step 6: Final answer
    x = 402,002,449.20

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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.