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Finding the Fourth Proportional to 632,954,806.91, 873,466,072.65 and 350,696,218.17

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Solution

The fourth proportional to 632,954,806.91, 873,466,072.65 and 350,696,218.17 is: 483,954,375.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,954,806.91 : 873,466,072.65 = 350,696,218.17 : x
  2. Step 2: Convert to fraction form
    632,954,806.91/873,466,072.65 = 350,696,218.17/x
  3. Step 3: Cross multiply
    632,954,806.91x = 873,466,072.65 × 350,696,218.17
  4. Step 4: Simplify right side
    632,954,806.91x = 306,321,248,378,157,504
  5. Step 5: Solve for x
    x = 306,321,248,378,157,504/632,954,806.91
  6. Step 6: Final answer
    x = 483,954,375.63

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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.