Home / 396,860,350.64-547,697,961.31-238,096,448.41

Finding the Fourth Proportional to 396,860,350.64, 547,697,961.31 and 238,096,448.41

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Solution

The fourth proportional to 396,860,350.64, 547,697,961.31 and 238,096,448.41 is: 328,591,503.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,860,350.64 : 547,697,961.31 = 238,096,448.41 : x
  2. Step 2: Convert to fraction form
    396,860,350.64/547,697,961.31 = 238,096,448.41/x
  3. Step 3: Cross multiply
    396,860,350.64x = 547,697,961.31 × 238,096,448.41
  4. Step 4: Simplify right side
    396,860,350.64x = 130,404,939,389,308,576
  5. Step 5: Solve for x
    x = 130,404,939,389,308,576/396,860,350.64
  6. Step 6: Final answer
    x = 328,591,503.73

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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.