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Finding the Fourth Proportional to 611,896,326.24, 844,412,255.28 and 333,436,988.64

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Solution

The fourth proportional to 611,896,326.24, 844,412,255.28 and 333,436,988.64 is: 460,140,496.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,896,326.24 : 844,412,255.28 = 333,436,988.64 : x
  2. Step 2: Convert to fraction form
    611,896,326.24/844,412,255.28 = 333,436,988.64/x
  3. Step 3: Cross multiply
    611,896,326.24x = 844,412,255.28 × 333,436,988.64
  4. Step 4: Simplify right side
    611,896,326.24x = 281,558,279,571,274,112
  5. Step 5: Solve for x
    x = 281,558,279,571,274,112/611,896,326.24
  6. Step 6: Final answer
    x = 460,140,496.84

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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.