Home / 396,860,329.99-547,697,932.81-238,096,427.76

Finding the Fourth Proportional to 396,860,329.99, 547,697,932.81 and 238,096,427.76

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Solution

The fourth proportional to 396,860,329.99, 547,697,932.81 and 238,096,427.76 is: 328,591,475.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,860,329.99 : 547,697,932.81 = 238,096,427.76 : x
  2. Step 2: Convert to fraction form
    396,860,329.99/547,697,932.81 = 238,096,427.76/x
  3. Step 3: Cross multiply
    396,860,329.99x = 547,697,932.81 × 238,096,427.76
  4. Step 4: Simplify right side
    396,860,329.99x = 130,404,921,295,886,544
  5. Step 5: Solve for x
    x = 130,404,921,295,886,544/396,860,329.99
  6. Step 6: Final answer
    x = 328,591,475.24

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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.