Home / 50,556,126,461.31-69,741,003,785.64-31,259,417,998.78

Finding the Fourth Proportional to 50,556,126,461.31, 69,741,003,785.64 and 31,259,417,998.78

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Solution

The fourth proportional to 50,556,126,461.31, 69,741,003,785.64 and 31,259,417,998.78 is: 43,121,642,055.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,556,126,461.31 : 69,741,003,785.64 = 31,259,417,998.78 : x
  2. Step 2: Convert to fraction form
    50,556,126,461.31/69,741,003,785.64 = 31,259,417,998.78/x
  3. Step 3: Cross multiply
    50,556,126,461.31x = 69,741,003,785.64 × 31,259,417,998.78
  4. Step 4: Simplify right side
    50,556,126,461.31x = 2,180,063,188,989,383,802,880
  5. Step 5: Solve for x
    x = 2,180,063,188,989,383,802,880/50,556,126,461.31
  6. Step 6: Final answer
    x = 43,121,642,055.74

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Double scale
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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.