Home / 797,896,138.60-1,196,844,207.90-491,786,122.60

Finding the Fourth Proportional to 797,896,138.60, 1,196,844,207.90 and 491,786,122.60

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Solution

The fourth proportional to 797,896,138.60, 1,196,844,207.90 and 491,786,122.60 is: 737,679,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,896,138.60 : 1,196,844,207.90 = 491,786,122.60 : x
  2. Step 2: Convert to fraction form
    797,896,138.60/1,196,844,207.90 = 491,786,122.60/x
  3. Step 3: Cross multiply
    797,896,138.60x = 1,196,844,207.90 × 491,786,122.60
  4. Step 4: Simplify right side
    797,896,138.60x = 588,591,372,359,409,408
  5. Step 5: Solve for x
    x = 588,591,372,359,409,408/797,896,138.60
  6. Step 6: Final answer
    x = 737,679,183.90

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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.