Home / 414,233,601,515.79-621,378,462,369.45-145,589,920,924.11

Finding the Fourth Proportional to 414,233,601,515.79, 621,378,462,369.45 and 145,589,920,924.11

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Solution

The fourth proportional to 414,233,601,515.79, 621,378,462,369.45 and 145,589,920,924.11 is: 218,394,743,616.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,233,601,515.79 : 621,378,462,369.45 = 145,589,920,924.11 : x
  2. Step 2: Convert to fraction form
    414,233,601,515.79/621,378,462,369.45 = 145,589,920,924.11/x
  3. Step 3: Cross multiply
    414,233,601,515.79x = 621,378,462,369.45 × 145,589,920,924.11
  4. Step 4: Simplify right side
    414,233,601,515.79x = 90,466,441,200,313,277,874,176
  5. Step 5: Solve for x
    x = 90,466,441,200,313,277,874,176/414,233,601,515.79
  6. Step 6: Final answer
    x = 218,394,743,616.34

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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.