Home / 1,654,560,965.52-2,481,195,733.56-722,168,989.20

Finding the Fourth Proportional to 1,654,560,965.52, 2,481,195,733.56 and 722,168,989.20

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Solution

The fourth proportional to 1,654,560,965.52, 2,481,195,733.56 and 722,168,989.20 is: 1,082,971,647.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654,560,965.52 : 2,481,195,733.56 = 722,168,989.20 : x
  2. Step 2: Convert to fraction form
    1,654,560,965.52/2,481,195,733.56 = 722,168,989.20/x
  3. Step 3: Cross multiply
    1,654,560,965.52x = 2,481,195,733.56 × 722,168,989.20
  4. Step 4: Simplify right side
    1,654,560,965.52x = 1,791,842,614,912,377,856
  5. Step 5: Solve for x
    x = 1,791,842,614,912,377,856/1,654,560,965.52
  6. Step 6: Final answer
    x = 1,082,971,647.62

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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.