Home / 545,603,520.40-818,405,280.60-327,925,286.80

Finding the Fourth Proportional to 545,603,520.40, 818,405,280.60 and 327,925,286.80

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Solution

The fourth proportional to 545,603,520.40, 818,405,280.60 and 327,925,286.80 is: 491,887,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,603,520.40 : 818,405,280.60 = 327,925,286.80 : x
  2. Step 2: Convert to fraction form
    545,603,520.40/818,405,280.60 = 327,925,286.80/x
  3. Step 3: Cross multiply
    545,603,520.40x = 818,405,280.60 × 327,925,286.80
  4. Step 4: Simplify right side
    545,603,520.40x = 268,375,786,359,389,504
  5. Step 5: Solve for x
    x = 268,375,786,359,389,504/545,603,520.40
  6. Step 6: Final answer
    x = 491,887,930.20

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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.