Home / 416,051,425.60-624,077,138.40-211,978,081.60

Finding the Fourth Proportional to 416,051,425.60, 624,077,138.40 and 211,978,081.60

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Solution

The fourth proportional to 416,051,425.60, 624,077,138.40 and 211,978,081.60 is: 317,967,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,051,425.60 : 624,077,138.40 = 211,978,081.60 : x
  2. Step 2: Convert to fraction form
    416,051,425.60/624,077,138.40 = 211,978,081.60/x
  3. Step 3: Cross multiply
    416,051,425.60x = 624,077,138.40 × 211,978,081.60
  4. Step 4: Simplify right side
    416,051,425.60x = 132,290,674,568,449,680
  5. Step 5: Solve for x
    x = 132,290,674,568,449,680/416,051,425.60
  6. Step 6: Final answer
    x = 317,967,122.40

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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.