Home / 394,747,389.44-544,808,378.56-227,451,609.60

Finding the Fourth Proportional to 394,747,389.44, 544,808,378.56 and 227,451,609.60

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Solution

The fourth proportional to 394,747,389.44, 544,808,378.56 and 227,451,609.60 is: 313,916,053.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,747,389.44 : 544,808,378.56 = 227,451,609.60 : x
  2. Step 2: Convert to fraction form
    394,747,389.44/544,808,378.56 = 227,451,609.60/x
  3. Step 3: Cross multiply
    394,747,389.44x = 544,808,378.56 × 227,451,609.60
  4. Step 4: Simplify right side
    394,747,389.44x = 123,917,542,627,038,112
  5. Step 5: Solve for x
    x = 123,917,542,627,038,112/394,747,389.44
  6. Step 6: Final answer
    x = 313,916,053.51

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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.