Home / 323,977,274.40-485,965,911.60-259,407,192.90

Finding the Fourth Proportional to 323,977,274.40, 485,965,911.60 and 259,407,192.90

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Solution

The fourth proportional to 323,977,274.40, 485,965,911.60 and 259,407,192.90 is: 389,110,789.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,977,274.40 : 485,965,911.60 = 259,407,192.90 : x
  2. Step 2: Convert to fraction form
    323,977,274.40/485,965,911.60 = 259,407,192.90/x
  3. Step 3: Cross multiply
    323,977,274.40x = 485,965,911.60 × 259,407,192.90
  4. Step 4: Simplify right side
    323,977,274.40x = 126,063,052,973,245,552
  5. Step 5: Solve for x
    x = 126,063,052,973,245,552/323,977,274.40
  6. Step 6: Final answer
    x = 389,110,789.35

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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.