Home / 1,837,167,728.80-2,755,751,593.20-1,320,607,076.80

Finding the Fourth Proportional to 1,837,167,728.80, 2,755,751,593.20 and 1,320,607,076.80

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Solution

The fourth proportional to 1,837,167,728.80, 2,755,751,593.20 and 1,320,607,076.80 is: 1,980,910,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837,167,728.80 : 2,755,751,593.20 = 1,320,607,076.80 : x
  2. Step 2: Convert to fraction form
    1,837,167,728.80/2,755,751,593.20 = 1,320,607,076.80/x
  3. Step 3: Cross multiply
    1,837,167,728.80x = 2,755,751,593.20 × 1,320,607,076.80
  4. Step 4: Simplify right side
    1,837,167,728.80x = 3,639,265,055,882,794,496
  5. Step 5: Solve for x
    x = 3,639,265,055,882,794,496/1,837,167,728.80
  6. Step 6: Final answer
    x = 1,980,910,615.20

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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.