Home / 451,425,304,179.91-622,967,021,453.78-248,429,074,834.18

Finding the Fourth Proportional to 451,425,304,179.91, 622,967,021,453.78 and 248,429,074,834.18

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Solution

The fourth proportional to 451,425,304,179.91, 622,967,021,453.78 and 248,429,074,834.18 is: 342,832,179,230.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,425,304,179.91 : 622,967,021,453.78 = 248,429,074,834.18 : x
  2. Step 2: Convert to fraction form
    451,425,304,179.91/622,967,021,453.78 = 248,429,074,834.18/x
  3. Step 3: Cross multiply
    451,425,304,179.91x = 622,967,021,453.78 × 248,429,074,834.18
  4. Step 4: Simplify right side
    451,425,304,179.91x = 154,763,120,791,967,334,662,144
  5. Step 5: Solve for x
    x = 154,763,120,791,967,334,662,144/451,425,304,179.91
  6. Step 6: Final answer
    x = 342,832,179,230.89

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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.