Home / 629,516,400.80-944,274,601.20-198,694,896.80

Finding the Fourth Proportional to 629,516,400.80, 944,274,601.20 and 198,694,896.80

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Solution

The fourth proportional to 629,516,400.80, 944,274,601.20 and 198,694,896.80 is: 298,042,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,516,400.80 : 944,274,601.20 = 198,694,896.80 : x
  2. Step 2: Convert to fraction form
    629,516,400.80/944,274,601.20 = 198,694,896.80/x
  3. Step 3: Cross multiply
    629,516,400.80x = 944,274,601.20 × 198,694,896.80
  4. Step 4: Simplify right side
    629,516,400.80x = 187,622,544,436,295,168
  5. Step 5: Solve for x
    x = 187,622,544,436,295,168/629,516,400.80
  6. Step 6: Final answer
    x = 298,042,345.20

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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.