Home / 260,722,491.60-391,083,737.40-218,632,364.40

Finding the Fourth Proportional to 260,722,491.60, 391,083,737.40 and 218,632,364.40

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Solution

The fourth proportional to 260,722,491.60, 391,083,737.40 and 218,632,364.40 is: 327,948,546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,722,491.60 : 391,083,737.40 = 218,632,364.40 : x
  2. Step 2: Convert to fraction form
    260,722,491.60/391,083,737.40 = 218,632,364.40/x
  3. Step 3: Cross multiply
    260,722,491.60x = 391,083,737.40 × 218,632,364.40
  4. Step 4: Simplify right side
    260,722,491.60x = 85,503,562,186,150,704
  5. Step 5: Solve for x
    x = 85,503,562,186,150,704/260,722,491.60
  6. Step 6: Final answer
    x = 327,948,546.60

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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.