Home / 436,883,332.35-655,324,998.53-399,469,885.95

Finding the Fourth Proportional to 436,883,332.35, 655,324,998.53 and 399,469,885.95

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Solution

The fourth proportional to 436,883,332.35, 655,324,998.53 and 399,469,885.95 is: 599,204,828.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,883,332.35 : 655,324,998.53 = 399,469,885.95 : x
  2. Step 2: Convert to fraction form
    436,883,332.35/655,324,998.53 = 399,469,885.95/x
  3. Step 3: Cross multiply
    436,883,332.35x = 655,324,998.53 × 399,469,885.95
  4. Step 4: Simplify right side
    436,883,332.35x = 261,782,602,420,965,664
  5. Step 5: Solve for x
    x = 261,782,602,420,965,664/436,883,332.35
  6. Step 6: Final answer
    x = 599,204,828.93

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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.