Home / 449,446,583.18-620,211,266.11-248,491,839.69

Finding the Fourth Proportional to 449,446,583.18, 620,211,266.11 and 248,491,839.69

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Solution

The fourth proportional to 449,446,583.18, 620,211,266.11 and 248,491,839.69 is: 342,904,906.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,446,583.18 : 620,211,266.11 = 248,491,839.69 : x
  2. Step 2: Convert to fraction form
    449,446,583.18/620,211,266.11 = 248,491,839.69/x
  3. Step 3: Cross multiply
    449,446,583.18x = 620,211,266.11 × 248,491,839.69
  4. Step 4: Simplify right side
    449,446,583.18x = 154,117,438,512,448,672
  5. Step 5: Solve for x
    x = 154,117,438,512,448,672/449,446,583.18
  6. Step 6: Final answer
    x = 342,904,906.34

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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.