Home / 2,787,609,926.54-4,181,396,288.96-1,129,492,748.90

Finding the Fourth Proportional to 2,787,609,926.54, 4,181,396,288.96 and 1,129,492,748.90

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Solution

The fourth proportional to 2,787,609,926.54, 4,181,396,288.96 and 1,129,492,748.90 is: 1,694,231,586.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,609,926.54 : 4,181,396,288.96 = 1,129,492,748.90 : x
  2. Step 2: Convert to fraction form
    2,787,609,926.54/4,181,396,288.96 = 1,129,492,748.90/x
  3. Step 3: Cross multiply
    2,787,609,926.54x = 4,181,396,288.96 × 1,129,492,748.90
  4. Step 4: Simplify right side
    2,787,609,926.54x = 4,722,856,788,639,605,760
  5. Step 5: Solve for x
    x = 4,722,856,788,639,605,760/2,787,609,926.54
  6. Step 6: Final answer
    x = 1,694,231,586.59

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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.