Home / 20,738,508,702-28,619,232,130.08-11,223,061,250.64

Finding the Fourth Proportional to 20,738,508,702, 28,619,232,130.08 and 11,223,061,250.64

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Solution

The fourth proportional to 20,738,508,702, 28,619,232,130.08 and 11,223,061,250.64 is: 15,487,873,296.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,738,508,702 : 28,619,232,130.08 = 11,223,061,250.64 : x
  2. Step 2: Convert to fraction form
    20,738,508,702/28,619,232,130.08 = 11,223,061,250.64/x
  3. Step 3: Cross multiply
    20,738,508,702x = 28,619,232,130.08 × 11,223,061,250.64
  4. Step 4: Simplify right side
    20,738,508,702x = 321,195,395,142,172,147,712
  5. Step 5: Solve for x
    x = 321,195,395,142,172,147,712/20,738,508,702
  6. Step 6: Final answer
    x = 15,487,873,296.85

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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.