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Finding the Fourth Proportional to 299,351,010.15, 449,026,515.23 and 299,351,010.15

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Solution

The fourth proportional to 299,351,010.15, 449,026,515.23 and 299,351,010.15 is: 449,026,515.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,351,010.15 : 449,026,515.23 = 299,351,010.15 : x
  2. Step 2: Convert to fraction form
    299,351,010.15/449,026,515.23 = 299,351,010.15/x
  3. Step 3: Cross multiply
    299,351,010.15x = 449,026,515.23 × 299,351,010.15
  4. Step 4: Simplify right side
    299,351,010.15x = 134,416,540,916,738,096
  5. Step 5: Solve for x
    x = 134,416,540,916,738,096/299,351,010.15
  6. Step 6: Final answer
    x = 449,026,515.23

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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.