Home / 394,747,952.40-544,809,182.94-227,452,184.28

Finding the Fourth Proportional to 394,747,952.40, 544,809,182.94 and 227,452,184.28

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Solution

The fourth proportional to 394,747,952.40, 544,809,182.94 and 227,452,184.28 is: 313,916,862.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,747,952.40 : 544,809,182.94 = 227,452,184.28 : x
  2. Step 2: Convert to fraction form
    394,747,952.40/544,809,182.94 = 227,452,184.28/x
  3. Step 3: Cross multiply
    394,747,952.40x = 544,809,182.94 × 227,452,184.28
  4. Step 4: Simplify right side
    394,747,952.40x = 123,918,038,675,505,120
  5. Step 5: Solve for x
    x = 123,918,038,675,505,120/394,747,952.40
  6. Step 6: Final answer
    x = 313,916,862.45

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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.