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Finding the Fourth Proportional to 1,673,882,695.79, 2,512,375,472.54 and 845,418,137.61

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Solution

The fourth proportional to 1,673,882,695.79, 2,512,375,472.54 and 845,418,137.61 is: 1,268,910,777.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,882,695.79 : 2,512,375,472.54 = 845,418,137.61 : x
  2. Step 2: Convert to fraction form
    1,673,882,695.79/2,512,375,472.54 = 845,418,137.61/x
  3. Step 3: Cross multiply
    1,673,882,695.79x = 2,512,375,472.54 × 845,418,137.61
  4. Step 4: Simplify right side
    1,673,882,695.79x = 2,124,007,792,969,150,720
  5. Step 5: Solve for x
    x = 2,124,007,792,969,150,720/1,673,882,695.79
  6. Step 6: Final answer
    x = 1,268,910,777.51

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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.