Home / 1,261,844,449.20-1,891,074,781.04-982,063,196.46

Finding the Fourth Proportional to 1,261,844,449.20, 1,891,074,781.04 and 982,063,196.46

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Solution

The fourth proportional to 1,261,844,449.20, 1,891,074,781.04 and 982,063,196.46 is: 1,471,778,035.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,844,449.20 : 1,891,074,781.04 = 982,063,196.46 : x
  2. Step 2: Convert to fraction form
    1,261,844,449.20/1,891,074,781.04 = 982,063,196.46/x
  3. Step 3: Cross multiply
    1,261,844,449.20x = 1,891,074,781.04 × 982,063,196.46
  4. Step 4: Simplify right side
    1,261,844,449.20x = 1,857,154,944,208,126,720
  5. Step 5: Solve for x
    x = 1,857,154,944,208,126,720/1,261,844,449.20
  6. Step 6: Final answer
    x = 1,471,778,035.23

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Double scale
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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.