Home / 419,704,324,067.85-629,558,321,568.84-132,863,781,122.91

Finding the Fourth Proportional to 419,704,324,067.85, 629,558,321,568.84 and 132,863,781,122.91

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Solution

The fourth proportional to 419,704,324,067.85, 629,558,321,568.84 and 132,863,781,122.91 is: 199,296,252,729.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,704,324,067.85 : 629,558,321,568.84 = 132,863,781,122.91 : x
  2. Step 2: Convert to fraction form
    419,704,324,067.85/629,558,321,568.84 = 132,863,781,122.91/x
  3. Step 3: Cross multiply
    419,704,324,067.85x = 629,558,321,568.84 × 132,863,781,122.91
  4. Step 4: Simplify right side
    419,704,324,067.85x = 83,645,499,041,028,937,613,312
  5. Step 5: Solve for x
    x = 83,645,499,041,028,937,613,312/419,704,324,067.85
  6. Step 6: Final answer
    x = 199,296,252,729.35

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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.