Home / 396,860,330.99-547,697,934.19-238,096,428.76

Finding the Fourth Proportional to 396,860,330.99, 547,697,934.19 and 238,096,428.76

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Solution

The fourth proportional to 396,860,330.99, 547,697,934.19 and 238,096,428.76 is: 328,591,476.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,860,330.99 : 547,697,934.19 = 238,096,428.76 : x
  2. Step 2: Convert to fraction form
    396,860,330.99/547,697,934.19 = 238,096,428.76/x
  3. Step 3: Cross multiply
    396,860,330.99x = 547,697,934.19 × 238,096,428.76
  4. Step 4: Simplify right side
    396,860,330.99x = 130,404,922,169,868,512
  5. Step 5: Solve for x
    x = 130,404,922,169,868,512/396,860,330.99
  6. Step 6: Final answer
    x = 328,591,476.61

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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.