Home / 11,861,137,279.62-17,792,739,963.54-3,890,915,836.02

Finding the Fourth Proportional to 11,861,137,279.62, 17,792,739,963.54 and 3,890,915,836.02

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Solution

The fourth proportional to 11,861,137,279.62, 17,792,739,963.54 and 3,890,915,836.02 is: 5,836,712,960.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,861,137,279.62 : 17,792,739,963.54 = 3,890,915,836.02 : x
  2. Step 2: Convert to fraction form
    11,861,137,279.62/17,792,739,963.54 = 3,890,915,836.02/x
  3. Step 3: Cross multiply
    11,861,137,279.62x = 17,792,739,963.54 × 3,890,915,836.02
  4. Step 4: Simplify right side
    11,861,137,279.62x = 69,230,053,690,323,705,856
  5. Step 5: Solve for x
    x = 69,230,053,690,323,705,856/11,861,137,279.62
  6. Step 6: Final answer
    x = 5,836,712,960.85

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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.