Home / 396,856,240.95-595,245,868.82-120,509,845.75

Finding the Fourth Proportional to 396,856,240.95, 595,245,868.82 and 120,509,845.75

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Solution

The fourth proportional to 396,856,240.95, 595,245,868.82 and 120,509,845.75 is: 180,753,079.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,856,240.95 : 595,245,868.82 = 120,509,845.75 : x
  2. Step 2: Convert to fraction form
    396,856,240.95/595,245,868.82 = 120,509,845.75/x
  3. Step 3: Cross multiply
    396,856,240.95x = 595,245,868.82 × 120,509,845.75
  4. Step 4: Simplify right side
    396,856,240.95x = 71,732,987,834,822,944
  5. Step 5: Solve for x
    x = 71,732,987,834,822,944/396,856,240.95
  6. Step 6: Final answer
    x = 180,753,079.91

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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.