Home / 752,373,995.60-1,038,428,863.44-434,847,729.44

Finding the Fourth Proportional to 752,373,995.60, 1,038,428,863.44 and 434,847,729.44

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Solution

The fourth proportional to 752,373,995.60, 1,038,428,863.44 and 434,847,729.44 is: 600,178,150.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,373,995.60 : 1,038,428,863.44 = 434,847,729.44 : x
  2. Step 2: Convert to fraction form
    752,373,995.60/1,038,428,863.44 = 434,847,729.44/x
  3. Step 3: Cross multiply
    752,373,995.60x = 1,038,428,863.44 × 434,847,729.44
  4. Step 4: Simplify right side
    752,373,995.60x = 451,558,433,451,843,840
  5. Step 5: Solve for x
    x = 451,558,433,451,843,840/752,373,995.60
  6. Step 6: Final answer
    x = 600,178,150.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.