Home / 20,128,718,083.74-27,777,714,856.93-11,096,277,760.41

Finding the Fourth Proportional to 20,128,718,083.74, 27,777,714,856.93 and 11,096,277,760.41

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Solution

The fourth proportional to 20,128,718,083.74, 27,777,714,856.93 and 11,096,277,760.41 is: 15,312,909,561.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,128,718,083.74 : 27,777,714,856.93 = 11,096,277,760.41 : x
  2. Step 2: Convert to fraction form
    20,128,718,083.74/27,777,714,856.93 = 11,096,277,760.41/x
  3. Step 3: Cross multiply
    20,128,718,083.74x = 27,777,714,856.93 × 11,096,277,760.41
  4. Step 4: Simplify right side
    20,128,718,083.74x = 308,229,239,601,907,302,400
  5. Step 5: Solve for x
    x = 308,229,239,601,907,302,400/20,128,718,083.74
  6. Step 6: Final answer
    x = 15,312,909,561.33

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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.