Home / 355,961,146,788.87-491,268,494,845.92-211,445,847,446.31

Finding the Fourth Proportional to 355,961,146,788.87, 491,268,494,845.92 and 211,445,847,446.31

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Solution

The fourth proportional to 355,961,146,788.87, 491,268,494,845.92 and 211,445,847,446.31 is: 291,820,284,751.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,961,146,788.87 : 491,268,494,845.92 = 211,445,847,446.31 : x
  2. Step 2: Convert to fraction form
    355,961,146,788.87/491,268,494,845.92 = 211,445,847,446.31/x
  3. Step 3: Cross multiply
    355,961,146,788.87x = 491,268,494,845.92 × 211,445,847,446.31
  4. Step 4: Simplify right side
    355,961,146,788.87x = 103,876,683,216,368,722,509,824
  5. Step 5: Solve for x
    x = 103,876,683,216,368,722,509,824/355,961,146,788.87
  6. Step 6: Final answer
    x = 291,820,284,751.42

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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.