Home / 5,286,647,215-7,930,874,257.62-2,179,531,350.28

Finding the Fourth Proportional to 5,286,647,215, 7,930,874,257.62 and 2,179,531,350.28

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Solution

The fourth proportional to 5,286,647,215, 7,930,874,257.62 and 2,179,531,350.28 is: 3,269,669,485.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286,647,215 : 7,930,874,257.62 = 2,179,531,350.28 : x
  2. Step 2: Convert to fraction form
    5,286,647,215/7,930,874,257.62 = 2,179,531,350.28/x
  3. Step 3: Cross multiply
    5,286,647,215x = 7,930,874,257.62 × 2,179,531,350.28
  4. Step 4: Simplify right side
    5,286,647,215x = 17,285,589,079,611,412,480
  5. Step 5: Solve for x
    x = 17,285,589,079,611,412,480/5,286,647,215
  6. Step 6: Final answer
    x = 3,269,669,485.52

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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.