Home / 1,982,193,865.60-2,972,654,254.96-653,923,323.04

Finding the Fourth Proportional to 1,982,193,865.60, 2,972,654,254.96 and 653,923,323.04

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Solution

The fourth proportional to 1,982,193,865.60, 2,972,654,254.96 and 653,923,323.04 is: 980,674,989.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,193,865.60 : 2,972,654,254.96 = 653,923,323.04 : x
  2. Step 2: Convert to fraction form
    1,982,193,865.60/2,972,654,254.96 = 653,923,323.04/x
  3. Step 3: Cross multiply
    1,982,193,865.60x = 2,972,654,254.96 × 653,923,323.04
  4. Step 4: Simplify right side
    1,982,193,865.60x = 1,943,887,948,652,438,528
  5. Step 5: Solve for x
    x = 1,943,887,948,652,438,528/1,982,193,865.60
  6. Step 6: Final answer
    x = 980,674,989.66

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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.