Home / 436,883,348.10-655,325,022.15-399,469,901.70

Finding the Fourth Proportional to 436,883,348.10, 655,325,022.15 and 399,469,901.70

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Solution

The fourth proportional to 436,883,348.10, 655,325,022.15 and 399,469,901.70 is: 599,204,852.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,883,348.10 : 655,325,022.15 = 399,469,901.70 : x
  2. Step 2: Convert to fraction form
    436,883,348.10/655,325,022.15 = 399,469,901.70/x
  3. Step 3: Cross multiply
    436,883,348.10x = 655,325,022.15 × 399,469,901.70
  4. Step 4: Simplify right side
    436,883,348.10x = 261,782,622,179,810,816
  5. Step 5: Solve for x
    x = 261,782,622,179,810,816/436,883,348.10
  6. Step 6: Final answer
    x = 599,204,852.55

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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.