Home / 338,667,452.24-507,836,845.56-198,646,160.72

Finding the Fourth Proportional to 338,667,452.24, 507,836,845.56 and 198,646,160.72

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Solution

The fourth proportional to 338,667,452.24, 507,836,845.56 and 198,646,160.72 is: 297,872,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,667,452.24 : 507,836,845.56 = 198,646,160.72 : x
  2. Step 2: Convert to fraction form
    338,667,452.24/507,836,845.56 = 198,646,160.72/x
  3. Step 3: Cross multiply
    338,667,452.24x = 507,836,845.56 × 198,646,160.72
  4. Step 4: Simplify right side
    338,667,452.24x = 100,879,839,642,649,584
  5. Step 5: Solve for x
    x = 100,879,839,642,649,584/338,667,452.24
  6. Step 6: Final answer
    x = 297,872,851.30

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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.