Home / 331,378,519.78-497,070,270.30-147,096,453.70

Finding the Fourth Proportional to 331,378,519.78, 497,070,270.30 and 147,096,453.70

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Solution

The fourth proportional to 331,378,519.78, 497,070,270.30 and 147,096,453.70 is: 220,645,786.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,378,519.78 : 497,070,270.30 = 147,096,453.70 : x
  2. Step 2: Convert to fraction form
    331,378,519.78/497,070,270.30 = 147,096,453.70/x
  3. Step 3: Cross multiply
    331,378,519.78x = 497,070,270.30 × 147,096,453.70
  4. Step 4: Simplify right side
    331,378,519.78x = 73,117,274,000,830,432
  5. Step 5: Solve for x
    x = 73,117,274,000,830,432/331,378,519.78
  6. Step 6: Final answer
    x = 220,645,786.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.