Home / 395,224,940.30-545,231,569.98-238,541,961.74

Finding the Fourth Proportional to 395,224,940.30, 545,231,569.98 and 238,541,961.74

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Solution

The fourth proportional to 395,224,940.30, 545,231,569.98 and 238,541,961.74 is: 329,079,961.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,224,940.30 : 545,231,569.98 = 238,541,961.74 : x
  2. Step 2: Convert to fraction form
    395,224,940.30/545,231,569.98 = 238,541,961.74/x
  3. Step 3: Cross multiply
    395,224,940.30x = 545,231,569.98 × 238,541,961.74
  4. Step 4: Simplify right side
    395,224,940.30x = 130,060,608,305,609,296
  5. Step 5: Solve for x
    x = 130,060,608,305,609,296/395,224,940.30
  6. Step 6: Final answer
    x = 329,079,961.92

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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.