Home / 727,542,057.60-1,091,313,086.40-267,420,439.80

Finding the Fourth Proportional to 727,542,057.60, 1,091,313,086.40 and 267,420,439.80

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Solution

The fourth proportional to 727,542,057.60, 1,091,313,086.40 and 267,420,439.80 is: 401,130,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,542,057.60 : 1,091,313,086.40 = 267,420,439.80 : x
  2. Step 2: Convert to fraction form
    727,542,057.60/1,091,313,086.40 = 267,420,439.80/x
  3. Step 3: Cross multiply
    727,542,057.60x = 1,091,313,086.40 × 267,420,439.80
  4. Step 4: Simplify right side
    727,542,057.60x = 291,839,425,524,583,424
  5. Step 5: Solve for x
    x = 291,839,425,524,583,424/727,542,057.60
  6. Step 6: Final answer
    x = 401,130,659.70

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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.