Home / 20,117,493,043.37-27,762,732,593.51-11,085,832,936.19

Finding the Fourth Proportional to 20,117,493,043.37, 27,762,732,593.51 and 11,085,832,936.19

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Solution

The fourth proportional to 20,117,493,043.37, 27,762,732,593.51 and 11,085,832,936.19 is: 15,298,775,782.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117,493,043.37 : 27,762,732,593.51 = 11,085,832,936.19 : x
  2. Step 2: Convert to fraction form
    20,117,493,043.37/27,762,732,593.51 = 11,085,832,936.19/x
  3. Step 3: Cross multiply
    20,117,493,043.37x = 27,762,732,593.51 × 11,085,832,936.19
  4. Step 4: Simplify right side
    20,117,493,043.37x = 307,773,015,383,768,760,320
  5. Step 5: Solve for x
    x = 307,773,015,383,768,760,320/20,117,493,043.37
  6. Step 6: Final answer
    x = 15,298,775,782.86

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1.5x scale

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.