Home / 396,860,350.14-547,697,960.63-238,096,447.92

Finding the Fourth Proportional to 396,860,350.14, 547,697,960.63 and 238,096,447.92

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Solution

The fourth proportional to 396,860,350.14, 547,697,960.63 and 238,096,447.92 is: 328,591,503.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,860,350.14 : 547,697,960.63 = 238,096,447.92 : x
  2. Step 2: Convert to fraction form
    396,860,350.14/547,697,960.63 = 238,096,447.92/x
  3. Step 3: Cross multiply
    396,860,350.14x = 547,697,960.63 × 238,096,447.92
  4. Step 4: Simplify right side
    396,860,350.14x = 130,404,938,955,102,032
  5. Step 5: Solve for x
    x = 130,404,938,955,102,032/396,860,350.14
  6. Step 6: Final answer
    x = 328,591,503.05

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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.