Home / 465,181,199.49-641,954,360.00-256,344,815.31

Finding the Fourth Proportional to 465,181,199.49, 641,954,360.00 and 256,344,815.31

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Solution

The fourth proportional to 465,181,199.49, 641,954,360.00 and 256,344,815.31 is: 353,758,217.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,181,199.49 : 641,954,360.00 = 256,344,815.31 : x
  2. Step 2: Convert to fraction form
    465,181,199.49/641,954,360.00 = 256,344,815.31/x
  3. Step 3: Cross multiply
    465,181,199.49x = 641,954,360.00 × 256,344,815.31
  4. Step 4: Simplify right side
    465,181,199.49x = 164,561,671,850,367,520
  5. Step 5: Solve for x
    x = 164,561,671,850,367,520/465,181,199.49
  6. Step 6: Final answer
    x = 353,758,217.29

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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.