Home / 353,908,452.24-488,193,661.44-221,519,610

Finding the Fourth Proportional to 353,908,452.24, 488,193,661.44 and 221,519,610

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Solution

The fourth proportional to 353,908,452.24, 488,193,661.44 and 221,519,610 is: 305,571,875.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,908,452.24 : 488,193,661.44 = 221,519,610 : x
  2. Step 2: Convert to fraction form
    353,908,452.24/488,193,661.44 = 221,519,610/x
  3. Step 3: Cross multiply
    353,908,452.24x = 488,193,661.44 × 221,519,610
  4. Step 4: Simplify right side
    353,908,452.24x = 108,144,469,486,660,832
  5. Step 5: Solve for x
    x = 108,144,469,486,660,832/353,908,452.24
  6. Step 6: Final answer
    x = 305,571,875.44

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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.