Home / 408,773,016.45-612,428,793.30-248,764,988.70

Finding the Fourth Proportional to 408,773,016.45, 612,428,793.30 and 248,764,988.70

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Solution

The fourth proportional to 408,773,016.45, 612,428,793.30 and 248,764,988.70 is: 372,702,785.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,773,016.45 : 612,428,793.30 = 248,764,988.70 : x
  2. Step 2: Convert to fraction form
    408,773,016.45/612,428,793.30 = 248,764,988.70/x
  3. Step 3: Cross multiply
    408,773,016.45x = 612,428,793.30 × 248,764,988.70
  4. Step 4: Simplify right side
    408,773,016.45x = 152,350,841,844,829,120
  5. Step 5: Solve for x
    x = 152,350,841,844,829,120/408,773,016.45
  6. Step 6: Final answer
    x = 372,702,785.44

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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.