Home / 455,165,967.62-628,131,014.55-246,322,128.71

Finding the Fourth Proportional to 455,165,967.62, 628,131,014.55 and 246,322,128.71

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Solution

The fourth proportional to 455,165,967.62, 628,131,014.55 and 246,322,128.71 is: 339,925,608.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,165,967.62 : 628,131,014.55 = 246,322,128.71 : x
  2. Step 2: Convert to fraction form
    455,165,967.62/628,131,014.55 = 246,322,128.71/x
  3. Step 3: Cross multiply
    455,165,967.62x = 628,131,014.55 × 246,322,128.71
  4. Step 4: Simplify right side
    455,165,967.62x = 154,722,568,609,587,328
  5. Step 5: Solve for x
    x = 154,722,568,609,587,328/455,165,967.62
  6. Step 6: Final answer
    x = 339,925,608.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.