Home / 451,425,304,167.60-622,967,021,436.82-248,429,074,821.86

Finding the Fourth Proportional to 451,425,304,167.60, 622,967,021,436.82 and 248,429,074,821.86

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Solution

The fourth proportional to 451,425,304,167.60, 622,967,021,436.82 and 248,429,074,821.86 is: 342,832,179,213.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,425,304,167.60 : 622,967,021,436.82 = 248,429,074,821.86 : x
  2. Step 2: Convert to fraction form
    451,425,304,167.60/622,967,021,436.82 = 248,429,074,821.86/x
  3. Step 3: Cross multiply
    451,425,304,167.60x = 622,967,021,436.82 × 248,429,074,821.86
  4. Step 4: Simplify right side
    451,425,304,167.60x = 154,763,120,780,078,999,404,544
  5. Step 5: Solve for x
    x = 154,763,120,780,078,999,404,544/451,425,304,167.60
  6. Step 6: Final answer
    x = 342,832,179,213.91

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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.