Home / 26,661,486,961.69-36,796,835,738.97-20,988,461,181.54

Finding the Fourth Proportional to 26,661,486,961.69, 36,796,835,738.97 and 20,988,461,181.54

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Solution

The fourth proportional to 26,661,486,961.69, 36,796,835,738.97 and 20,988,461,181.54 is: 28,967,212,504.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,661,486,961.69 : 36,796,835,738.97 = 20,988,461,181.54 : x
  2. Step 2: Convert to fraction form
    26,661,486,961.69/36,796,835,738.97 = 20,988,461,181.54/x
  3. Step 3: Cross multiply
    26,661,486,961.69x = 36,796,835,738.97 × 20,988,461,181.54
  4. Step 4: Simplify right side
    26,661,486,961.69x = 772,308,958,511,022,735,360
  5. Step 5: Solve for x
    x = 772,308,958,511,022,735,360/26,661,486,961.69
  6. Step 6: Final answer
    x = 28,967,212,504.72

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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.