Home / 664,010,101.20-996,015,151.80-203,947,532.40

Finding the Fourth Proportional to 664,010,101.20, 996,015,151.80 and 203,947,532.40

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Solution

The fourth proportional to 664,010,101.20, 996,015,151.80 and 203,947,532.40 is: 305,921,298.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,010,101.20 : 996,015,151.80 = 203,947,532.40 : x
  2. Step 2: Convert to fraction form
    664,010,101.20/996,015,151.80 = 203,947,532.40/x
  3. Step 3: Cross multiply
    664,010,101.20x = 996,015,151.80 × 203,947,532.40
  4. Step 4: Simplify right side
    664,010,101.20x = 203,134,832,442,621,408
  5. Step 5: Solve for x
    x = 203,134,832,442,621,408/664,010,101.20
  6. Step 6: Final answer
    x = 305,921,298.60

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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.