Home / 712,313,457.24-982,992,664.50-394,794,202.83

Finding the Fourth Proportional to 712,313,457.24, 982,992,664.50 and 394,794,202.83

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Solution

The fourth proportional to 712,313,457.24, 982,992,664.50 and 394,794,202.83 is: 544,816,051.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,313,457.24 : 982,992,664.50 = 394,794,202.83 : x
  2. Step 2: Convert to fraction form
    712,313,457.24/982,992,664.50 = 394,794,202.83/x
  3. Step 3: Cross multiply
    712,313,457.24x = 982,992,664.50 × 394,794,202.83
  4. Step 4: Simplify right side
    712,313,457.24x = 388,079,805,369,015,104
  5. Step 5: Solve for x
    x = 388,079,805,369,015,104/712,313,457.24
  6. Step 6: Final answer
    x = 544,816,051.73

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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.