Home / 394,320,895.28-544,126,317.24-218,105,098.40

Finding the Fourth Proportional to 394,320,895.28, 544,126,317.24 and 218,105,098.40

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Solution

The fourth proportional to 394,320,895.28, 544,126,317.24 and 218,105,098.40 is: 300,964,836.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,320,895.28 : 544,126,317.24 = 218,105,098.40 : x
  2. Step 2: Convert to fraction form
    394,320,895.28/544,126,317.24 = 218,105,098.40/x
  3. Step 3: Cross multiply
    394,320,895.28x = 544,126,317.24 × 218,105,098.40
  4. Step 4: Simplify right side
    394,320,895.28x = 118,676,723,963,659,824
  5. Step 5: Solve for x
    x = 118,676,723,963,659,824/394,320,895.28
  6. Step 6: Final answer
    x = 300,964,836.97

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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.