Home / 327,108,829.60-490,663,244.40-218,269,712.80

Finding the Fourth Proportional to 327,108,829.60, 490,663,244.40 and 218,269,712.80

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Solution

The fourth proportional to 327,108,829.60, 490,663,244.40 and 218,269,712.80 is: 327,404,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,108,829.60 : 490,663,244.40 = 218,269,712.80 : x
  2. Step 2: Convert to fraction form
    327,108,829.60/490,663,244.40 = 218,269,712.80/x
  3. Step 3: Cross multiply
    327,108,829.60x = 490,663,244.40 × 218,269,712.80
  4. Step 4: Simplify right side
    327,108,829.60x = 107,096,925,436,704,208
  5. Step 5: Solve for x
    x = 107,096,925,436,704,208/327,108,829.60
  6. Step 6: Final answer
    x = 327,404,569.20

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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.