Home / 21,632,876,571.45-29,853,544,954.55-11,987,767,651.49

Finding the Fourth Proportional to 21,632,876,571.45, 29,853,544,954.55 and 11,987,767,651.49

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Solution

The fourth proportional to 21,632,876,571.45, 29,853,544,954.55 and 11,987,767,651.49 is: 16,543,216,493.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632,876,571.45 : 29,853,544,954.55 = 11,987,767,651.49 : x
  2. Step 2: Convert to fraction form
    21,632,876,571.45/29,853,544,954.55 = 11,987,767,651.49/x
  3. Step 3: Cross multiply
    21,632,876,571.45x = 29,853,544,954.55 × 11,987,767,651.49
  4. Step 4: Simplify right side
    21,632,876,571.45x = 357,877,360,488,456,978,432
  5. Step 5: Solve for x
    x = 357,877,360,488,456,978,432/21,632,876,571.45
  6. Step 6: Final answer
    x = 16,543,216,493.03

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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.