Home / 2,391,489,964.80-3,587,234,947.20-2,150,428,327.20

Finding the Fourth Proportional to 2,391,489,964.80, 3,587,234,947.20 and 2,150,428,327.20

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Solution

The fourth proportional to 2,391,489,964.80, 3,587,234,947.20 and 2,150,428,327.20 is: 3,225,642,490.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391,489,964.80 : 3,587,234,947.20 = 2,150,428,327.20 : x
  2. Step 2: Convert to fraction form
    2,391,489,964.80/3,587,234,947.20 = 2,150,428,327.20/x
  3. Step 3: Cross multiply
    2,391,489,964.80x = 3,587,234,947.20 × 2,150,428,327.20
  4. Step 4: Simplify right side
    2,391,489,964.80x = 7,714,091,646,780,675,072
  5. Step 5: Solve for x
    x = 7,714,091,646,780,675,072/2,391,489,964.80
  6. Step 6: Final answer
    x = 3,225,642,490.80

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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.