Home / 13,126,398,742.22-18,114,431,149.49-7,185,951,244.22

Finding the Fourth Proportional to 13,126,398,742.22, 18,114,431,149.49 and 7,185,951,244.22

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Solution

The fourth proportional to 13,126,398,742.22, 18,114,431,149.49 and 7,185,951,244.22 is: 9,916,613,201.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126,398,742.22 : 18,114,431,149.49 = 7,185,951,244.22 : x
  2. Step 2: Convert to fraction form
    13,126,398,742.22/18,114,431,149.49 = 7,185,951,244.22/x
  3. Step 3: Cross multiply
    13,126,398,742.22x = 18,114,431,149.49 × 7,185,951,244.22
  4. Step 4: Simplify right side
    13,126,398,742.22x = 130,169,419,056,888,692,736
  5. Step 5: Solve for x
    x = 130,169,419,056,888,692,736/13,126,398,742.22
  6. Step 6: Final answer
    x = 9,916,613,201.63

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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.