Home / 465,181,204.50-641,954,366.90-256,344,820.32

Finding the Fourth Proportional to 465,181,204.50, 641,954,366.90 and 256,344,820.32

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Solution

The fourth proportional to 465,181,204.50, 641,954,366.90 and 256,344,820.32 is: 353,758,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,181,204.50 : 641,954,366.90 = 256,344,820.32 : x
  2. Step 2: Convert to fraction form
    465,181,204.50/641,954,366.90 = 256,344,820.32/x
  3. Step 3: Cross multiply
    465,181,204.50x = 641,954,366.90 × 256,344,820.32
  4. Step 4: Simplify right side
    465,181,204.50x = 164,561,676,836,619,840
  5. Step 5: Solve for x
    x = 164,561,676,836,619,840/465,181,204.50
  6. Step 6: Final answer
    x = 353,758,224.20

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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.