Home / 505,524,139.60-758,286,209.40-413,691,134.80

Finding the Fourth Proportional to 505,524,139.60, 758,286,209.40 and 413,691,134.80

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Solution

The fourth proportional to 505,524,139.60, 758,286,209.40 and 413,691,134.80 is: 620,536,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,524,139.60 : 758,286,209.40 = 413,691,134.80 : x
  2. Step 2: Convert to fraction form
    505,524,139.60/758,286,209.40 = 413,691,134.80/x
  3. Step 3: Cross multiply
    505,524,139.60x = 758,286,209.40 × 413,691,134.80
  4. Step 4: Simplify right side
    505,524,139.60x = 313,696,282,469,876,416
  5. Step 5: Solve for x
    x = 313,696,282,469,876,416/505,524,139.60
  6. Step 6: Final answer
    x = 620,536,702.20

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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.