Home / 11,889,969,326.70-17,834,953,990.05-7,971,761,121.90

Finding the Fourth Proportional to 11,889,969,326.70, 17,834,953,990.05 and 7,971,761,121.90

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Solution

The fourth proportional to 11,889,969,326.70, 17,834,953,990.05 and 7,971,761,121.90 is: 11,957,641,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889,969,326.70 : 17,834,953,990.05 = 7,971,761,121.90 : x
  2. Step 2: Convert to fraction form
    11,889,969,326.70/17,834,953,990.05 = 7,971,761,121.90/x
  3. Step 3: Cross multiply
    11,889,969,326.70x = 17,834,953,990.05 × 7,971,761,121.90
  4. Step 4: Simplify right side
    11,889,969,326.70x = 142,175,992,828,755,853,312
  5. Step 5: Solve for x
    x = 142,175,992,828,755,853,312/11,889,969,326.70
  6. Step 6: Final answer
    x = 11,957,641,682.85

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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.