Home / 756,635,286.23-1,044,157,142.80-422,107,809.80

Finding the Fourth Proportional to 756,635,286.23, 1,044,157,142.80 and 422,107,809.80

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Solution

The fourth proportional to 756,635,286.23, 1,044,157,142.80 and 422,107,809.80 is: 582,509,027.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,635,286.23 : 1,044,157,142.80 = 422,107,809.80 : x
  2. Step 2: Convert to fraction form
    756,635,286.23/1,044,157,142.80 = 422,107,809.80/x
  3. Step 3: Cross multiply
    756,635,286.23x = 1,044,157,142.80 × 422,107,809.80
  4. Step 4: Simplify right side
    756,635,286.23x = 440,746,884,632,223,296
  5. Step 5: Solve for x
    x = 440,746,884,632,223,296/756,635,286.23
  6. Step 6: Final answer
    x = 582,509,027.34

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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.