Home / 550,631,997.66-825,646,104.42-218,302,343.49

Finding the Fourth Proportional to 550,631,997.66, 825,646,104.42 and 218,302,343.49

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Solution

The fourth proportional to 550,631,997.66, 825,646,104.42 and 218,302,343.49 is: 327,333,827.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,631,997.66 : 825,646,104.42 = 218,302,343.49 : x
  2. Step 2: Convert to fraction form
    550,631,997.66/825,646,104.42 = 218,302,343.49/x
  3. Step 3: Cross multiply
    550,631,997.66x = 825,646,104.42 × 218,302,343.49
  4. Step 4: Simplify right side
    550,631,997.66x = 180,240,479,488,275,232
  5. Step 5: Solve for x
    x = 180,240,479,488,275,232/550,631,997.66
  6. Step 6: Final answer
    x = 327,333,827.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.