Home / 394,923,677.85-544,732,257.30-253,973,102.49

Finding the Fourth Proportional to 394,923,677.85, 544,732,257.30 and 253,973,102.49

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Solution

The fourth proportional to 394,923,677.85, 544,732,257.30 and 253,973,102.49 is: 350,314,121.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,923,677.85 : 544,732,257.30 = 253,973,102.49 : x
  2. Step 2: Convert to fraction form
    394,923,677.85/544,732,257.30 = 253,973,102.49/x
  3. Step 3: Cross multiply
    394,923,677.85x = 544,732,257.30 × 253,973,102.49
  4. Step 4: Simplify right side
    394,923,677.85x = 138,347,341,412,861,936
  5. Step 5: Solve for x
    x = 138,347,341,412,861,936/394,923,677.85
  6. Step 6: Final answer
    x = 350,314,121.87

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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.