Home / 513,222,524.20-769,840,084.86-339,457,850.92

Finding the Fourth Proportional to 513,222,524.20, 769,840,084.86 and 339,457,850.92

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Solution

The fourth proportional to 513,222,524.20, 769,840,084.86 and 339,457,850.92 is: 509,190,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,222,524.20 : 769,840,084.86 = 339,457,850.92 : x
  2. Step 2: Convert to fraction form
    513,222,524.20/769,840,084.86 = 339,457,850.92/x
  3. Step 3: Cross multiply
    513,222,524.20x = 769,840,084.86 × 339,457,850.92
  4. Step 4: Simplify right side
    513,222,524.20x = 261,328,260,758,646,048
  5. Step 5: Solve for x
    x = 261,328,260,758,646,048/513,222,524.20
  6. Step 6: Final answer
    x = 509,190,942.40

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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.