Home / 644,738,452.20-967,297,422.42-208,030,943.88

Finding the Fourth Proportional to 644,738,452.20, 967,297,422.42 and 208,030,943.88

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Solution

The fourth proportional to 644,738,452.20, 967,297,422.42 and 208,030,943.88 is: 312,107,638.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,738,452.20 : 967,297,422.42 = 208,030,943.88 : x
  2. Step 2: Convert to fraction form
    644,738,452.20/967,297,422.42 = 208,030,943.88/x
  3. Step 3: Cross multiply
    644,738,452.20x = 967,297,422.42 × 208,030,943.88
  4. Step 4: Simplify right side
    644,738,452.20x = 201,227,795,798,723,648
  5. Step 5: Solve for x
    x = 201,227,795,798,723,648/644,738,452.20
  6. Step 6: Final answer
    x = 312,107,638.55

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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.