Home / 18,620,502,906.32-27,929,753,017.58-9,167,723,236.02

Finding the Fourth Proportional to 18,620,502,906.32, 27,929,753,017.58 and 9,167,723,236.02

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Solution

The fourth proportional to 18,620,502,906.32, 27,929,753,017.58 and 9,167,723,236.02 is: 13,751,091,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,620,502,906.32 : 27,929,753,017.58 = 9,167,723,236.02 : x
  2. Step 2: Convert to fraction form
    18,620,502,906.32/27,929,753,017.58 = 9,167,723,236.02/x
  3. Step 3: Cross multiply
    18,620,502,906.32x = 27,929,753,017.58 × 9,167,723,236.02
  4. Step 4: Simplify right side
    18,620,502,906.32x = 256,052,245,715,567,902,720
  5. Step 5: Solve for x
    x = 256,052,245,715,567,902,720/18,620,502,906.32
  6. Step 6: Final answer
    x = 13,751,091,847.72

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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.