Home / 20,128,718,084.49-27,777,714,857.97-11,096,277,761.16

Finding the Fourth Proportional to 20,128,718,084.49, 27,777,714,857.97 and 11,096,277,761.16

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Solution

The fourth proportional to 20,128,718,084.49, 27,777,714,857.97 and 11,096,277,761.16 is: 15,312,909,562.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,128,718,084.49 : 27,777,714,857.97 = 11,096,277,761.16 : x
  2. Step 2: Convert to fraction form
    20,128,718,084.49/27,777,714,857.97 = 11,096,277,761.16/x
  3. Step 3: Cross multiply
    20,128,718,084.49x = 27,777,714,857.97 × 11,096,277,761.16
  4. Step 4: Simplify right side
    20,128,718,084.49x = 308,229,239,634,280,710,144
  5. Step 5: Solve for x
    x = 308,229,239,634,280,710,144/20,128,718,084.49
  6. Step 6: Final answer
    x = 15,312,909,562.37

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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.