Home / 345,251,923.82-518,205,294.27-213,696,255.41

Finding the Fourth Proportional to 345,251,923.82, 518,205,294.27 and 213,696,255.41

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Solution

The fourth proportional to 345,251,923.82, 518,205,294.27 and 213,696,255.41 is: 320,747,035.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,251,923.82 : 518,205,294.27 = 213,696,255.41 : x
  2. Step 2: Convert to fraction form
    345,251,923.82/518,205,294.27 = 213,696,255.41/x
  3. Step 3: Cross multiply
    345,251,923.82x = 518,205,294.27 × 213,696,255.41
  4. Step 4: Simplify right side
    345,251,923.82x = 110,738,530,916,545,104
  5. Step 5: Solve for x
    x = 110,738,530,916,545,104/345,251,923.82
  6. Step 6: Final answer
    x = 320,747,035.07

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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.