Home / 403,560,512.80-605,340,769.20-112,472,562.40

Finding the Fourth Proportional to 403,560,512.80, 605,340,769.20 and 112,472,562.40

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Solution

The fourth proportional to 403,560,512.80, 605,340,769.20 and 112,472,562.40 is: 168,708,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,560,512.80 : 605,340,769.20 = 112,472,562.40 : x
  2. Step 2: Convert to fraction form
    403,560,512.80/605,340,769.20 = 112,472,562.40/x
  3. Step 3: Cross multiply
    403,560,512.80x = 605,340,769.20 × 112,472,562.40
  4. Step 4: Simplify right side
    403,560,512.80x = 68,084,227,437,111,008
  5. Step 5: Solve for x
    x = 68,084,227,437,111,008/403,560,512.80
  6. Step 6: Final answer
    x = 168,708,843.60

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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.