Home / 396,860,351.64-547,697,962.69-238,096,449.41

Finding the Fourth Proportional to 396,860,351.64, 547,697,962.69 and 238,096,449.41

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Solution

The fourth proportional to 396,860,351.64, 547,697,962.69 and 238,096,449.41 is: 328,591,505.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,860,351.64 : 547,697,962.69 = 238,096,449.41 : x
  2. Step 2: Convert to fraction form
    396,860,351.64/547,697,962.69 = 238,096,449.41/x
  3. Step 3: Cross multiply
    396,860,351.64x = 547,697,962.69 × 238,096,449.41
  4. Step 4: Simplify right side
    396,860,351.64x = 130,404,940,265,579,664
  5. Step 5: Solve for x
    x = 130,404,940,265,579,664/396,860,351.64
  6. Step 6: Final answer
    x = 328,591,505.11

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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.