Home / 480,356,512.32-720,633,042.33-165,181,608.18

Finding the Fourth Proportional to 480,356,512.32, 720,633,042.33 and 165,181,608.18

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Solution

The fourth proportional to 480,356,512.32, 720,633,042.33 and 165,181,608.18 is: 247,806,205.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,356,512.32 : 720,633,042.33 = 165,181,608.18 : x
  2. Step 2: Convert to fraction form
    480,356,512.32/720,633,042.33 = 165,181,608.18/x
  3. Step 3: Cross multiply
    480,356,512.32x = 720,633,042.33 × 165,181,608.18
  4. Step 4: Simplify right side
    480,356,512.32x = 119,035,324,839,715,424
  5. Step 5: Solve for x
    x = 119,035,324,839,715,424/480,356,512.32
  6. Step 6: Final answer
    x = 247,806,205.99

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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.