Home / 396,840,053.48-547,669,908.17-238,076,122.55

Finding the Fourth Proportional to 396,840,053.48, 547,669,908.17 and 238,076,122.55

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Solution

The fourth proportional to 396,840,053.48, 547,669,908.17 and 238,076,122.55 is: 328,563,427.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,840,053.48 : 547,669,908.17 = 238,076,122.55 : x
  2. Step 2: Convert to fraction form
    396,840,053.48/547,669,908.17 = 238,076,122.55/x
  3. Step 3: Cross multiply
    396,840,053.48x = 547,669,908.17 × 238,076,122.55
  4. Step 4: Simplify right side
    396,840,053.48x = 130,387,128,170,499,424
  5. Step 5: Solve for x
    x = 130,387,128,170,499,424/396,840,053.48
  6. Step 6: Final answer
    x = 328,563,427.58

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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.