Home / 355,513,022.56-490,608,691.31-198,882,745.23

Finding the Fourth Proportional to 355,513,022.56, 490,608,691.31 and 198,882,745.23

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Solution

The fourth proportional to 355,513,022.56, 490,608,691.31 and 198,882,745.23 is: 274,458,591.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,513,022.56 : 490,608,691.31 = 198,882,745.23 : x
  2. Step 2: Convert to fraction form
    355,513,022.56/490,608,691.31 = 198,882,745.23/x
  3. Step 3: Cross multiply
    355,513,022.56x = 490,608,691.31 × 198,882,745.23
  4. Step 4: Simplify right side
    355,513,022.56x = 97,573,603,360,436,032
  5. Step 5: Solve for x
    x = 97,573,603,360,436,032/355,513,022.56
  6. Step 6: Final answer
    x = 274,458,591.30

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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.