Home / 752,148,361.48-1,127,629,179.42-475,215,861.20

Finding the Fourth Proportional to 752,148,361.48, 1,127,629,179.42 and 475,215,861.20

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Solution

The fourth proportional to 752,148,361.48, 1,127,629,179.42 and 475,215,861.20 is: 712,448,898.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,148,361.48 : 1,127,629,179.42 = 475,215,861.20 : x
  2. Step 2: Convert to fraction form
    752,148,361.48/1,127,629,179.42 = 475,215,861.20/x
  3. Step 3: Cross multiply
    752,148,361.48x = 1,127,629,179.42 × 475,215,861.20
  4. Step 4: Simplify right side
    752,148,361.48x = 535,867,271,612,324,608
  5. Step 5: Solve for x
    x = 535,867,271,612,324,608/752,148,361.48
  6. Step 6: Final answer
    x = 712,448,898.46

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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.