Home / 445,589,684.80-668,384,527.20-254,486,708.80

Finding the Fourth Proportional to 445,589,684.80, 668,384,527.20 and 254,486,708.80

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Solution

The fourth proportional to 445,589,684.80, 668,384,527.20 and 254,486,708.80 is: 381,730,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,589,684.80 : 668,384,527.20 = 254,486,708.80 : x
  2. Step 2: Convert to fraction form
    445,589,684.80/668,384,527.20 = 254,486,708.80/x
  3. Step 3: Cross multiply
    445,589,684.80x = 668,384,527.20 × 254,486,708.80
  4. Step 4: Simplify right side
    445,589,684.80x = 170,094,978,539,972,096
  5. Step 5: Solve for x
    x = 170,094,978,539,972,096/445,589,684.80
  6. Step 6: Final answer
    x = 381,730,063.20

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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.