Home / 354,096,002.40-531,144,003.60-238,454,440.80

Finding the Fourth Proportional to 354,096,002.40, 531,144,003.60 and 238,454,440.80

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Solution

The fourth proportional to 354,096,002.40, 531,144,003.60 and 238,454,440.80 is: 357,681,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,096,002.40 : 531,144,003.60 = 238,454,440.80 : x
  2. Step 2: Convert to fraction form
    354,096,002.40/531,144,003.60 = 238,454,440.80/x
  3. Step 3: Cross multiply
    354,096,002.40x = 531,144,003.60 × 238,454,440.80
  4. Step 4: Simplify right side
    354,096,002.40x = 126,653,646,362,711,200
  5. Step 5: Solve for x
    x = 126,653,646,362,711,200/354,096,002.40
  6. Step 6: Final answer
    x = 357,681,661.20

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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.