Home / 353,687,174.39-488,093,638.73-203,004,755.21

Finding the Fourth Proportional to 353,687,174.39, 488,093,638.73 and 203,004,755.21

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Solution

The fourth proportional to 353,687,174.39, 488,093,638.73 and 203,004,755.21 is: 280,149,626.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,687,174.39 : 488,093,638.73 = 203,004,755.21 : x
  2. Step 2: Convert to fraction form
    353,687,174.39/488,093,638.73 = 203,004,755.21/x
  3. Step 3: Cross multiply
    353,687,174.39x = 488,093,638.73 × 203,004,755.21
  4. Step 4: Simplify right side
    353,687,174.39x = 99,085,329,650,147,040
  5. Step 5: Solve for x
    x = 99,085,329,650,147,040/353,687,174.39
  6. Step 6: Final answer
    x = 280,149,626.07

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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.