Home / 342,722,037.38-472,956,411.58-196,044,321.38

Finding the Fourth Proportional to 342,722,037.38, 472,956,411.58 and 196,044,321.38

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Solution

The fourth proportional to 342,722,037.38, 472,956,411.58 and 196,044,321.38 is: 270,541,163.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,722,037.38 : 472,956,411.58 = 196,044,321.38 : x
  2. Step 2: Convert to fraction form
    342,722,037.38/472,956,411.58 = 196,044,321.38/x
  3. Step 3: Cross multiply
    342,722,037.38x = 472,956,411.58 × 196,044,321.38
  4. Step 4: Simplify right side
    342,722,037.38x = 92,720,418,747,666,176
  5. Step 5: Solve for x
    x = 92,720,418,747,666,176/342,722,037.38
  6. Step 6: Final answer
    x = 270,541,163.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.