Home / 419,704,324,068.85-629,558,321,570.34-132,863,781,123.91

Finding the Fourth Proportional to 419,704,324,068.85, 629,558,321,570.34 and 132,863,781,123.91

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Solution

The fourth proportional to 419,704,324,068.85, 629,558,321,570.34 and 132,863,781,123.91 is: 199,296,252,730.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,704,324,068.85 : 629,558,321,570.34 = 132,863,781,123.91 : x
  2. Step 2: Convert to fraction form
    419,704,324,068.85/629,558,321,570.34 = 132,863,781,123.91/x
  3. Step 3: Cross multiply
    419,704,324,068.85x = 629,558,321,570.34 × 132,863,781,123.91
  4. Step 4: Simplify right side
    419,704,324,068.85x = 83,645,499,041,857,799,192,576
  5. Step 5: Solve for x
    x = 83,645,499,041,857,799,192,576/419,704,324,068.85
  6. Step 6: Final answer
    x = 199,296,252,730.85

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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.