Home / 5,391,967,687.60-8,087,951,531.40-2,120,523,617.20

Finding the Fourth Proportional to 5,391,967,687.60, 8,087,951,531.40 and 2,120,523,617.20

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Solution

The fourth proportional to 5,391,967,687.60, 8,087,951,531.40 and 2,120,523,617.20 is: 3,180,785,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391,967,687.60 : 8,087,951,531.40 = 2,120,523,617.20 : x
  2. Step 2: Convert to fraction form
    5,391,967,687.60/8,087,951,531.40 = 2,120,523,617.20/x
  3. Step 3: Cross multiply
    5,391,967,687.60x = 8,087,951,531.40 × 2,120,523,617.20
  4. Step 4: Simplify right side
    5,391,967,687.60x = 17,150,692,237,102,606,336
  5. Step 5: Solve for x
    x = 17,150,692,237,102,606,336/5,391,967,687.60
  6. Step 6: Final answer
    x = 3,180,785,425.80

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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.