Home / 836,029,650.24-1,253,897,836.20-318,491,146.80

Finding the Fourth Proportional to 836,029,650.24, 1,253,897,836.20 and 318,491,146.80

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Solution

The fourth proportional to 836,029,650.24, 1,253,897,836.20 and 318,491,146.80 is: 477,680,857.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,029,650.24 : 1,253,897,836.20 = 318,491,146.80 : x
  2. Step 2: Convert to fraction form
    836,029,650.24/1,253,897,836.20 = 318,491,146.80/x
  3. Step 3: Cross multiply
    836,029,650.24x = 1,253,897,836.20 × 318,491,146.80
  4. Step 4: Simplify right side
    836,029,650.24x = 399,355,359,821,376,576
  5. Step 5: Solve for x
    x = 399,355,359,821,376,576/836,029,650.24
  6. Step 6: Final answer
    x = 477,680,857.02

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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.