Home / 296,418,705.88-408,923,678.40-178,906,471.96

Finding the Fourth Proportional to 296,418,705.88, 408,923,678.40 and 178,906,471.96

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Solution

The fourth proportional to 296,418,705.88, 408,923,678.40 and 178,906,471.96 is: 246,809,972.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,418,705.88 : 408,923,678.40 = 178,906,471.96 : x
  2. Step 2: Convert to fraction form
    296,418,705.88/408,923,678.40 = 178,906,471.96/x
  3. Step 3: Cross multiply
    296,418,705.88x = 408,923,678.40 × 178,906,471.96
  4. Step 4: Simplify right side
    296,418,705.88x = 73,159,092,603,449,664
  5. Step 5: Solve for x
    x = 73,159,092,603,449,664/296,418,705.88
  6. Step 6: Final answer
    x = 246,809,972.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.