Home / 465,181,199.74-641,954,360.34-256,344,815.56

Finding the Fourth Proportional to 465,181,199.74, 641,954,360.34 and 256,344,815.56

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Solution

The fourth proportional to 465,181,199.74, 641,954,360.34 and 256,344,815.56 is: 353,758,217.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,181,199.74 : 641,954,360.34 = 256,344,815.56 : x
  2. Step 2: Convert to fraction form
    465,181,199.74/641,954,360.34 = 256,344,815.56/x
  3. Step 3: Cross multiply
    465,181,199.74x = 641,954,360.34 × 256,344,815.56
  4. Step 4: Simplify right side
    465,181,199.74x = 164,561,672,099,295,104
  5. Step 5: Solve for x
    x = 164,561,672,099,295,104/465,181,199.74
  6. Step 6: Final answer
    x = 353,758,217.64

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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.