Home / 327,938,478.56-491,907,717.88-109,588,820.65

Finding the Fourth Proportional to 327,938,478.56, 491,907,717.88 and 109,588,820.65

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Solution

The fourth proportional to 327,938,478.56, 491,907,717.88 and 109,588,820.65 is: 164,383,230.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,938,478.56 : 491,907,717.88 = 109,588,820.65 : x
  2. Step 2: Convert to fraction form
    327,938,478.56/491,907,717.88 = 109,588,820.65/x
  3. Step 3: Cross multiply
    327,938,478.56x = 491,907,717.88 × 109,588,820.65
  4. Step 4: Simplify right side
    327,938,478.56x = 53,907,586,669,598,376
  5. Step 5: Solve for x
    x = 53,907,586,669,598,376/327,938,478.56
  6. Step 6: Final answer
    x = 164,383,230.98

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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.