Home / 396,840,174.82-547,670,075.66-238,076,243.89

Finding the Fourth Proportional to 396,840,174.82, 547,670,075.66 and 238,076,243.89

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Solution

The fourth proportional to 396,840,174.82, 547,670,075.66 and 238,076,243.89 is: 328,563,595.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,840,174.82 : 547,670,075.66 = 238,076,243.89 : x
  2. Step 2: Convert to fraction form
    396,840,174.82/547,670,075.66 = 238,076,243.89/x
  3. Step 3: Cross multiply
    396,840,174.82x = 547,670,075.66 × 238,076,243.89
  4. Step 4: Simplify right side
    396,840,174.82x = 130,387,234,502,418,144
  5. Step 5: Solve for x
    x = 130,387,234,502,418,144/396,840,174.82
  6. Step 6: Final answer
    x = 328,563,595.06

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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.