Home / 752,148,360.48-1,127,629,177.92-475,215,860.20

Finding the Fourth Proportional to 752,148,360.48, 1,127,629,177.92 and 475,215,860.20

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Solution

The fourth proportional to 752,148,360.48, 1,127,629,177.92 and 475,215,860.20 is: 712,448,896.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,148,360.48 : 1,127,629,177.92 = 475,215,860.20 : x
  2. Step 2: Convert to fraction form
    752,148,360.48/1,127,629,177.92 = 475,215,860.20/x
  3. Step 3: Cross multiply
    752,148,360.48x = 1,127,629,177.92 × 475,215,860.20
  4. Step 4: Simplify right side
    752,148,360.48x = 535,867,269,771,871,680
  5. Step 5: Solve for x
    x = 535,867,269,771,871,680/752,148,360.48
  6. Step 6: Final answer
    x = 712,448,896.96

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1.5x scale

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.