Home / 316,542,414.62-436,852,765.88-199,168,355.36

Finding the Fourth Proportional to 316,542,414.62, 436,852,765.88 and 199,168,355.36

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Solution

The fourth proportional to 316,542,414.62, 436,852,765.88 and 199,168,355.36 is: 274,867,578.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,542,414.62 : 436,852,765.88 = 199,168,355.36 : x
  2. Step 2: Convert to fraction form
    316,542,414.62/436,852,765.88 = 199,168,355.36/x
  3. Step 3: Cross multiply
    316,542,414.62x = 436,852,765.88 × 199,168,355.36
  4. Step 4: Simplify right side
    316,542,414.62x = 87,007,246,911,606,608
  5. Step 5: Solve for x
    x = 87,007,246,911,606,608/316,542,414.62
  6. Step 6: Final answer
    x = 274,867,578.23

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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.