Home / 358,571,728.98-494,815,922.16-199,793,648.07

Finding the Fourth Proportional to 358,571,728.98, 494,815,922.16 and 199,793,648.07

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Solution

The fourth proportional to 358,571,728.98, 494,815,922.16 and 199,793,648.07 is: 275,707,955.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,571,728.98 : 494,815,922.16 = 199,793,648.07 : x
  2. Step 2: Convert to fraction form
    358,571,728.98/494,815,922.16 = 199,793,648.07/x
  3. Step 3: Cross multiply
    358,571,728.98x = 494,815,922.16 × 199,793,648.07
  4. Step 4: Simplify right side
    358,571,728.98x = 98,861,078,211,467,552
  5. Step 5: Solve for x
    x = 98,861,078,211,467,552/358,571,728.98
  6. Step 6: Final answer
    x = 275,707,955.26

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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.