Home / 355,961,146,791.91-491,268,494,850.10-211,445,847,449.33

Finding the Fourth Proportional to 355,961,146,791.91, 491,268,494,850.10 and 211,445,847,449.33

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Solution

The fourth proportional to 355,961,146,791.91, 491,268,494,850.10 and 211,445,847,449.33 is: 291,820,284,755.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,961,146,791.91 : 491,268,494,850.10 = 211,445,847,449.33 : x
  2. Step 2: Convert to fraction form
    355,961,146,791.91/491,268,494,850.10 = 211,445,847,449.33/x
  3. Step 3: Cross multiply
    355,961,146,791.91x = 491,268,494,850.10 × 211,445,847,449.33
  4. Step 4: Simplify right side
    355,961,146,791.91x = 103,876,683,218,736,189,014,016
  5. Step 5: Solve for x
    x = 103,876,683,218,736,189,014,016/355,961,146,791.91
  6. Step 6: Final answer
    x = 291,820,284,755.58

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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.