Home / 355,544,065-490,647,194.82-196,774,497.75

Finding the Fourth Proportional to 355,544,065, 490,647,194.82 and 196,774,497.75

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Solution

The fourth proportional to 355,544,065, 490,647,194.82 and 196,774,497.75 is: 271,546,806.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,544,065 : 490,647,194.82 = 196,774,497.75 : x
  2. Step 2: Convert to fraction form
    355,544,065/490,647,194.82 = 196,774,497.75/x
  3. Step 3: Cross multiply
    355,544,065x = 490,647,194.82 × 196,774,497.75
  4. Step 4: Simplify right side
    355,544,065x = 96,546,855,333,151,904
  5. Step 5: Solve for x
    x = 96,546,855,333,151,904/355,544,065
  6. Step 6: Final answer
    x = 271,546,806.25

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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.