Home / 5,391,968,013.60-8,087,952,020.40-2,120,523,943.20

Finding the Fourth Proportional to 5,391,968,013.60, 8,087,952,020.40 and 2,120,523,943.20

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Solution

The fourth proportional to 5,391,968,013.60, 8,087,952,020.40 and 2,120,523,943.20 is: 3,180,785,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391,968,013.60 : 8,087,952,020.40 = 2,120,523,943.20 : x
  2. Step 2: Convert to fraction form
    5,391,968,013.60/8,087,952,020.40 = 2,120,523,943.20/x
  3. Step 3: Cross multiply
    5,391,968,013.60x = 8,087,952,020.40 × 2,120,523,943.20
  4. Step 4: Simplify right side
    5,391,968,013.60x = 17,150,695,910,711,015,424
  5. Step 5: Solve for x
    x = 17,150,695,910,711,015,424/5,391,968,013.60
  6. Step 6: Final answer
    x = 3,180,785,914.80

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Double scale
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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.