Home / 302,789,976.82-454,178,447.97-84,434,506.27

Finding the Fourth Proportional to 302,789,976.82, 454,178,447.97 and 84,434,506.27

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Solution

The fourth proportional to 302,789,976.82, 454,178,447.97 and 84,434,506.27 is: 126,649,942.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,789,976.82 : 454,178,447.97 = 84,434,506.27 : x
  2. Step 2: Convert to fraction form
    302,789,976.82/454,178,447.97 = 84,434,506.27/x
  3. Step 3: Cross multiply
    302,789,976.82x = 454,178,447.97 × 84,434,506.27
  4. Step 4: Simplify right side
    302,789,976.82x = 38,348,333,012,821,832
  5. Step 5: Solve for x
    x = 38,348,333,012,821,832/302,789,976.82
  6. Step 6: Final answer
    x = 126,649,942.03

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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.