Home / 664,362,040.40-996,543,060.60-204,240,422.60

Finding the Fourth Proportional to 664,362,040.40, 996,543,060.60 and 204,240,422.60

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Solution

The fourth proportional to 664,362,040.40, 996,543,060.60 and 204,240,422.60 is: 306,360,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,362,040.40 : 996,543,060.60 = 204,240,422.60 : x
  2. Step 2: Convert to fraction form
    664,362,040.40/996,543,060.60 = 204,240,422.60/x
  3. Step 3: Cross multiply
    664,362,040.40x = 996,543,060.60 × 204,240,422.60
  4. Step 4: Simplify right side
    664,362,040.40x = 203,534,375,836,041,408
  5. Step 5: Solve for x
    x = 203,534,375,836,041,408/664,362,040.40
  6. Step 6: Final answer
    x = 306,360,633.90

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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.