Home / 635,653,131.10-952,965,158.27-198,728,912.95

Finding the Fourth Proportional to 635,653,131.10, 952,965,158.27 and 198,728,912.95

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Solution

The fourth proportional to 635,653,131.10, 952,965,158.27 and 198,728,912.95 is: 297,932,505.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,653,131.10 : 952,965,158.27 = 198,728,912.95 : x
  2. Step 2: Convert to fraction form
    635,653,131.10/952,965,158.27 = 198,728,912.95/x
  3. Step 3: Cross multiply
    635,653,131.10x = 952,965,158.27 × 198,728,912.95
  4. Step 4: Simplify right side
    635,653,131.10x = 189,381,729,981,228,128
  5. Step 5: Solve for x
    x = 189,381,729,981,228,128/635,653,131.10
  6. Step 6: Final answer
    x = 297,932,505.51

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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.