Home / 518,150,918.60-777,313,469.10-154,682,016.20

Finding the Fourth Proportional to 518,150,918.60, 777,313,469.10 and 154,682,016.20

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Solution

The fourth proportional to 518,150,918.60, 777,313,469.10 and 154,682,016.20 is: 232,049,023.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,150,918.60 : 777,313,469.10 = 154,682,016.20 : x
  2. Step 2: Convert to fraction form
    518,150,918.60/777,313,469.10 = 154,682,016.20/x
  3. Step 3: Cross multiply
    518,150,918.60x = 777,313,469.10 × 154,682,016.20
  4. Step 4: Simplify right side
    518,150,918.60x = 120,236,414,619,804,400
  5. Step 5: Solve for x
    x = 120,236,414,619,804,400/518,150,918.60
  6. Step 6: Final answer
    x = 232,049,023.37

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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.