Home / 408,837,646,748.60-612,708,296,951.95-318,188,524,262.52

Finding the Fourth Proportional to 408,837,646,748.60, 612,708,296,951.95 and 318,188,524,262.52

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Solution

The fourth proportional to 408,837,646,748.60, 612,708,296,951.95 and 318,188,524,262.52 is: 476,856,156,376.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,837,646,748.60 : 612,708,296,951.95 = 318,188,524,262.52 : x
  2. Step 2: Convert to fraction form
    408,837,646,748.60/612,708,296,951.95 = 318,188,524,262.52/x
  3. Step 3: Cross multiply
    408,837,646,748.60x = 612,708,296,951.95 × 318,188,524,262.52
  4. Step 4: Simplify right side
    408,837,646,748.60x = 194,956,748,810,542,861,254,656
  5. Step 5: Solve for x
    x = 194,956,748,810,542,861,254,656/408,837,646,748.60
  6. Step 6: Final answer
    x = 476,856,156,376.48

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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.