Home / 505,524,136.60-758,286,204.90-413,691,131.80

Finding the Fourth Proportional to 505,524,136.60, 758,286,204.90 and 413,691,131.80

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Solution

The fourth proportional to 505,524,136.60, 758,286,204.90 and 413,691,131.80 is: 620,536,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,524,136.60 : 758,286,204.90 = 413,691,131.80 : x
  2. Step 2: Convert to fraction form
    505,524,136.60/758,286,204.90 = 413,691,131.80/x
  3. Step 3: Cross multiply
    505,524,136.60x = 758,286,204.90 × 413,691,131.80
  4. Step 4: Simplify right side
    505,524,136.60x = 313,696,278,333,407,680
  5. Step 5: Solve for x
    x = 313,696,278,333,407,680/505,524,136.60
  6. Step 6: Final answer
    x = 620,536,697.70

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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.