Home / 311,380,266.90-467,070,400.35-196,718,481.30

Finding the Fourth Proportional to 311,380,266.90, 467,070,400.35 and 196,718,481.30

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Solution

The fourth proportional to 311,380,266.90, 467,070,400.35 and 196,718,481.30 is: 295,077,721.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,380,266.90 : 467,070,400.35 = 196,718,481.30 : x
  2. Step 2: Convert to fraction form
    311,380,266.90/467,070,400.35 = 196,718,481.30/x
  3. Step 3: Cross multiply
    311,380,266.90x = 467,070,400.35 × 196,718,481.30
  4. Step 4: Simplify right side
    311,380,266.90x = 91,881,379,817,034,992
  5. Step 5: Solve for x
    x = 91,881,379,817,034,992/311,380,266.90
  6. Step 6: Final answer
    x = 295,077,721.95

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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.