Home / 408,202,685.40-612,304,028.10-244,944,010.20

Finding the Fourth Proportional to 408,202,685.40, 612,304,028.10 and 244,944,010.20

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Solution

The fourth proportional to 408,202,685.40, 612,304,028.10 and 244,944,010.20 is: 367,416,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,202,685.40 : 612,304,028.10 = 244,944,010.20 : x
  2. Step 2: Convert to fraction form
    408,202,685.40/612,304,028.10 = 244,944,010.20/x
  3. Step 3: Cross multiply
    408,202,685.40x = 612,304,028.10 × 244,944,010.20
  4. Step 4: Simplify right side
    408,202,685.40x = 149,980,204,104,427,488
  5. Step 5: Solve for x
    x = 149,980,204,104,427,488/408,202,685.40
  6. Step 6: Final answer
    x = 367,416,015.30

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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.