Home / 353,687,175.39-488,093,640.11-203,004,756.21

Finding the Fourth Proportional to 353,687,175.39, 488,093,640.11 and 203,004,756.21

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Solution

The fourth proportional to 353,687,175.39, 488,093,640.11 and 203,004,756.21 is: 280,149,627.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,687,175.39 : 488,093,640.11 = 203,004,756.21 : x
  2. Step 2: Convert to fraction form
    353,687,175.39/488,093,640.11 = 203,004,756.21/x
  3. Step 3: Cross multiply
    353,687,175.39x = 488,093,640.11 × 203,004,756.21
  4. Step 4: Simplify right side
    353,687,175.39x = 99,085,330,418,182,032
  5. Step 5: Solve for x
    x = 99,085,330,418,182,032/353,687,175.39
  6. Step 6: Final answer
    x = 280,149,627.45

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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.