Home / 756,635,287.23-1,044,157,144.17-422,107,810.80

Finding the Fourth Proportional to 756,635,287.23, 1,044,157,144.17 and 422,107,810.80

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Solution

The fourth proportional to 756,635,287.23, 1,044,157,144.17 and 422,107,810.80 is: 582,509,028.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,635,287.23 : 1,044,157,144.17 = 422,107,810.80 : x
  2. Step 2: Convert to fraction form
    756,635,287.23/1,044,157,144.17 = 422,107,810.80/x
  3. Step 3: Cross multiply
    756,635,287.23x = 1,044,157,144.17 × 422,107,810.80
  4. Step 4: Simplify right side
    756,635,287.23x = 440,746,886,256,778,688
  5. Step 5: Solve for x
    x = 440,746,886,256,778,688/756,635,287.23
  6. Step 6: Final answer
    x = 582,509,028.72

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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.