Home / 1,800,313,132.21-2,696,975,517.06-1,326,752,130.49

Finding the Fourth Proportional to 1,800,313,132.21, 2,696,975,517.06 and 1,326,752,130.49

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Solution

The fourth proportional to 1,800,313,132.21, 2,696,975,517.06 and 1,326,752,130.49 is: 1,987,553,136.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,313,132.21 : 2,696,975,517.06 = 1,326,752,130.49 : x
  2. Step 2: Convert to fraction form
    1,800,313,132.21/2,696,975,517.06 = 1,326,752,130.49/x
  3. Step 3: Cross multiply
    1,800,313,132.21x = 2,696,975,517.06 × 1,326,752,130.49
  4. Step 4: Simplify right side
    1,800,313,132.21x = 3,578,218,013,131,981,824
  5. Step 5: Solve for x
    x = 3,578,218,013,131,981,824/1,800,313,132.21
  6. Step 6: Final answer
    x = 1,987,553,136.79

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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.