Home / 256,394,851.16-384,188,972.07-198,244,576.94

Finding the Fourth Proportional to 256,394,851.16, 384,188,972.07 and 198,244,576.94

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Solution

The fourth proportional to 256,394,851.16, 384,188,972.07 and 198,244,576.94 is: 297,055,030.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,394,851.16 : 384,188,972.07 = 198,244,576.94 : x
  2. Step 2: Convert to fraction form
    256,394,851.16/384,188,972.07 = 198,244,576.94/x
  3. Step 3: Cross multiply
    256,394,851.16x = 384,188,972.07 × 198,244,576.94
  4. Step 4: Simplify right side
    256,394,851.16x = 76,163,380,233,030,624
  5. Step 5: Solve for x
    x = 76,163,380,233,030,624/256,394,851.16
  6. Step 6: Final answer
    x = 297,055,030.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.