Home / 1,587,244,227.20-2,381,268,751.68-1,121,821,389.44

Finding the Fourth Proportional to 1,587,244,227.20, 2,381,268,751.68 and 1,121,821,389.44

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Solution

The fourth proportional to 1,587,244,227.20, 2,381,268,751.68 and 1,121,821,389.44 is: 1,683,016,497.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,244,227.20 : 2,381,268,751.68 = 1,121,821,389.44 : x
  2. Step 2: Convert to fraction form
    1,587,244,227.20/2,381,268,751.68 = 1,121,821,389.44/x
  3. Step 3: Cross multiply
    1,587,244,227.20x = 2,381,268,751.68 × 1,121,821,389.44
  4. Step 4: Simplify right side
    1,587,244,227.20x = 2,671,358,219,639,711,744
  5. Step 5: Solve for x
    x = 2,671,358,219,639,711,744/1,587,244,227.20
  6. Step 6: Final answer
    x = 1,683,016,497.31

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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.