Home / 451,425,304,178.91-622,967,021,452.41-248,429,074,833.18

Finding the Fourth Proportional to 451,425,304,178.91, 622,967,021,452.41 and 248,429,074,833.18

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Solution

The fourth proportional to 451,425,304,178.91, 622,967,021,452.41 and 248,429,074,833.18 is: 342,832,179,229.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,425,304,178.91 : 622,967,021,452.41 = 248,429,074,833.18 : x
  2. Step 2: Convert to fraction form
    451,425,304,178.91/622,967,021,452.41 = 248,429,074,833.18/x
  3. Step 3: Cross multiply
    451,425,304,178.91x = 622,967,021,452.41 × 248,429,074,833.18
  4. Step 4: Simplify right side
    451,425,304,178.91x = 154,763,120,791,004,020,473,856
  5. Step 5: Solve for x
    x = 154,763,120,791,004,020,473,856/451,425,304,178.91
  6. Step 6: Final answer
    x = 342,832,179,229.52

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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.