Home / 338,297,912.20-507,446,868.30-329,794,856.20

Finding the Fourth Proportional to 338,297,912.20, 507,446,868.30 and 329,794,856.20

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Solution

The fourth proportional to 338,297,912.20, 507,446,868.30 and 329,794,856.20 is: 494,692,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,297,912.20 : 507,446,868.30 = 329,794,856.20 : x
  2. Step 2: Convert to fraction form
    338,297,912.20/507,446,868.30 = 329,794,856.20/x
  3. Step 3: Cross multiply
    338,297,912.20x = 507,446,868.30 × 329,794,856.20
  4. Step 4: Simplify right side
    338,297,912.20x = 167,353,366,960,138,848
  5. Step 5: Solve for x
    x = 167,353,366,960,138,848/338,297,912.20
  6. Step 6: Final answer
    x = 494,692,284.30

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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.