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Finding the Fourth Proportional to 752,510,367.68, 1,128,765,551.51 and 752,510,367.68

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Solution

The fourth proportional to 752,510,367.68, 1,128,765,551.51 and 752,510,367.68 is: 1,128,765,551.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,510,367.68 : 1,128,765,551.51 = 752,510,367.68 : x
  2. Step 2: Convert to fraction form
    752,510,367.68/1,128,765,551.51 = 752,510,367.68/x
  3. Step 3: Cross multiply
    752,510,367.68x = 1,128,765,551.51 × 752,510,367.68
  4. Step 4: Simplify right side
    752,510,367.68x = 849,407,780,187,545,472
  5. Step 5: Solve for x
    x = 849,407,780,187,545,472/752,510,367.68
  6. Step 6: Final answer
    x = 1,128,765,551.51

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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.