Home / 323,517,668.40-485,276,502.60-185,768,161.20

Finding the Fourth Proportional to 323,517,668.40, 485,276,502.60 and 185,768,161.20

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Solution

The fourth proportional to 323,517,668.40, 485,276,502.60 and 185,768,161.20 is: 278,652,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,517,668.40 : 485,276,502.60 = 185,768,161.20 : x
  2. Step 2: Convert to fraction form
    323,517,668.40/485,276,502.60 = 185,768,161.20/x
  3. Step 3: Cross multiply
    323,517,668.40x = 485,276,502.60 × 185,768,161.20
  4. Step 4: Simplify right side
    323,517,668.40x = 90,148,923,561,569,024
  5. Step 5: Solve for x
    x = 90,148,923,561,569,024/323,517,668.40
  6. Step 6: Final answer
    x = 278,652,241.80

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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.