Home / 259,632,004.60-389,448,006.90-257,840,414.20

Finding the Fourth Proportional to 259,632,004.60, 389,448,006.90 and 257,840,414.20

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Solution

The fourth proportional to 259,632,004.60, 389,448,006.90 and 257,840,414.20 is: 386,760,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,632,004.60 : 389,448,006.90 = 257,840,414.20 : x
  2. Step 2: Convert to fraction form
    259,632,004.60/389,448,006.90 = 257,840,414.20/x
  3. Step 3: Cross multiply
    259,632,004.60x = 389,448,006.90 × 257,840,414.20
  4. Step 4: Simplify right side
    259,632,004.60x = 100,415,435,408,460,448
  5. Step 5: Solve for x
    x = 100,415,435,408,460,448/259,632,004.60
  6. Step 6: Final answer
    x = 386,760,621.30

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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.