Home / 331,128,002.60-496,692,003.90-324,325,557.80

Finding the Fourth Proportional to 331,128,002.60, 496,692,003.90 and 324,325,557.80

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Solution

The fourth proportional to 331,128,002.60, 496,692,003.90 and 324,325,557.80 is: 486,488,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,128,002.60 : 496,692,003.90 = 324,325,557.80 : x
  2. Step 2: Convert to fraction form
    331,128,002.60/496,692,003.90 = 324,325,557.80/x
  3. Step 3: Cross multiply
    331,128,002.60x = 496,692,003.90 × 324,325,557.80
  4. Step 4: Simplify right side
    331,128,002.60x = 161,089,911,219,667,264
  5. Step 5: Solve for x
    x = 161,089,911,219,667,264/331,128,002.60
  6. Step 6: Final answer
    x = 486,488,336.70

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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.