Home / 2,787,609,928.16-4,181,396,291.40-1,129,492,750.52

Finding the Fourth Proportional to 2,787,609,928.16, 4,181,396,291.40 and 1,129,492,750.52

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Solution

The fourth proportional to 2,787,609,928.16, 4,181,396,291.40 and 1,129,492,750.52 is: 1,694,231,589.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,609,928.16 : 4,181,396,291.40 = 1,129,492,750.52 : x
  2. Step 2: Convert to fraction form
    2,787,609,928.16/4,181,396,291.40 = 1,129,492,750.52/x
  3. Step 3: Cross multiply
    2,787,609,928.16x = 4,181,396,291.40 × 1,129,492,750.52
  4. Step 4: Simplify right side
    2,787,609,928.16x = 4,722,856,798,187,513,856
  5. Step 5: Solve for x
    x = 4,722,856,798,187,513,856/2,787,609,928.16
  6. Step 6: Final answer
    x = 1,694,231,589.03

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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.