Home / 5,286,647,215.50-7,930,874,258.37-2,179,531,350.78

Finding the Fourth Proportional to 5,286,647,215.50, 7,930,874,258.37 and 2,179,531,350.78

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Solution

The fourth proportional to 5,286,647,215.50, 7,930,874,258.37 and 2,179,531,350.78 is: 3,269,669,486.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286,647,215.50 : 7,930,874,258.37 = 2,179,531,350.78 : x
  2. Step 2: Convert to fraction form
    5,286,647,215.50/7,930,874,258.37 = 2,179,531,350.78/x
  3. Step 3: Cross multiply
    5,286,647,215.50x = 7,930,874,258.37 × 2,179,531,350.78
  4. Step 4: Simplify right side
    5,286,647,215.50x = 17,285,589,085,211,498,496
  5. Step 5: Solve for x
    x = 17,285,589,085,211,498,496/5,286,647,215.50
  6. Step 6: Final answer
    x = 3,269,669,486.27

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1.5x scale

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.