Home / 414,233,601,517.29-621,378,462,371.70-145,589,920,925.61

Finding the Fourth Proportional to 414,233,601,517.29, 621,378,462,371.70 and 145,589,920,925.61

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Solution

The fourth proportional to 414,233,601,517.29, 621,378,462,371.70 and 145,589,920,925.61 is: 218,394,743,618.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,233,601,517.29 : 621,378,462,371.70 = 145,589,920,925.61 : x
  2. Step 2: Convert to fraction form
    414,233,601,517.29/621,378,462,371.70 = 145,589,920,925.61/x
  3. Step 3: Cross multiply
    414,233,601,517.29x = 621,378,462,371.70 × 145,589,920,925.61
  4. Step 4: Simplify right side
    414,233,601,517.29x = 90,466,441,201,572,911,251,456
  5. Step 5: Solve for x
    x = 90,466,441,201,572,911,251,456/414,233,601,517.29
  6. Step 6: Final answer
    x = 218,394,743,618.59

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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.