Home / 394,747,953.90-544,809,185.01-227,452,185.78

Finding the Fourth Proportional to 394,747,953.90, 544,809,185.01 and 227,452,185.78

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Solution

The fourth proportional to 394,747,953.90, 544,809,185.01 and 227,452,185.78 is: 313,916,864.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,747,953.90 : 544,809,185.01 = 227,452,185.78 : x
  2. Step 2: Convert to fraction form
    394,747,953.90/544,809,185.01 = 227,452,185.78/x
  3. Step 3: Cross multiply
    394,747,953.90x = 544,809,185.01 × 227,452,185.78
  4. Step 4: Simplify right side
    394,747,953.90x = 123,918,039,963,544,912
  5. Step 5: Solve for x
    x = 123,918,039,963,544,912/394,747,953.90
  6. Step 6: Final answer
    x = 313,916,864.52

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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.