Home / 13,961,982,404.39-20,942,835,592.68-6,396,621,164.25

Finding the Fourth Proportional to 13,961,982,404.39, 20,942,835,592.68 and 6,396,621,164.25

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Solution

The fourth proportional to 13,961,982,404.39, 20,942,835,592.68 and 6,396,621,164.25 is: 9,594,868,515.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961,982,404.39 : 20,942,835,592.68 = 6,396,621,164.25 : x
  2. Step 2: Convert to fraction form
    13,961,982,404.39/20,942,835,592.68 = 6,396,621,164.25/x
  3. Step 3: Cross multiply
    13,961,982,404.39x = 20,942,835,592.68 × 6,396,621,164.25
  4. Step 4: Simplify right side
    13,961,982,404.39x = 133,963,385,391,536,914,432
  5. Step 5: Solve for x
    x = 133,963,385,391,536,914,432/13,961,982,404.39
  6. Step 6: Final answer
    x = 9,594,868,515.91

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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.