Home / 316,542,522.78-436,852,915.20-199,168,463.52

Finding the Fourth Proportional to 316,542,522.78, 436,852,915.20 and 199,168,463.52

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Solution

The fourth proportional to 316,542,522.78, 436,852,915.20 and 199,168,463.52 is: 274,867,727.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,542,522.78 : 436,852,915.20 = 199,168,463.52 : x
  2. Step 2: Convert to fraction form
    316,542,522.78/436,852,915.20 = 199,168,463.52/x
  3. Step 3: Cross multiply
    316,542,522.78x = 436,852,915.20 × 199,168,463.52
  4. Step 4: Simplify right side
    316,542,522.78x = 87,007,323,904,616,848
  5. Step 5: Solve for x
    x = 87,007,323,904,616,848/316,542,522.78
  6. Step 6: Final answer
    x = 274,867,727.53

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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.