Home / 465,157,481.68-641,931,017.43-256,327,076.44

Finding the Fourth Proportional to 465,157,481.68, 641,931,017.43 and 256,327,076.44

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Solution

The fourth proportional to 465,157,481.68, 641,931,017.43 and 256,327,076.44 is: 353,738,910.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,157,481.68 : 641,931,017.43 = 256,327,076.44 : x
  2. Step 2: Convert to fraction form
    465,157,481.68/641,931,017.43 = 256,327,076.44/x
  3. Step 3: Cross multiply
    465,157,481.68x = 641,931,017.43 × 256,327,076.44
  4. Step 4: Simplify right side
    465,157,481.68x = 164,544,300,973,986,560
  5. Step 5: Solve for x
    x = 164,544,300,973,986,560/465,157,481.68
  6. Step 6: Final answer
    x = 353,738,910.92

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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.