Home / 18,620,502,901.31-27,929,753,010.09-9,167,723,231.02

Finding the Fourth Proportional to 18,620,502,901.31, 27,929,753,010.09 and 9,167,723,231.02

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Solution

The fourth proportional to 18,620,502,901.31, 27,929,753,010.09 and 9,167,723,231.02 is: 13,751,091,840.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,620,502,901.31 : 27,929,753,010.09 = 9,167,723,231.02 : x
  2. Step 2: Convert to fraction form
    18,620,502,901.31/27,929,753,010.09 = 9,167,723,231.02/x
  3. Step 3: Cross multiply
    18,620,502,901.31x = 27,929,753,010.09 × 9,167,723,231.02
  4. Step 4: Simplify right side
    18,620,502,901.31x = 256,052,245,507,252,879,360
  5. Step 5: Solve for x
    x = 256,052,245,507,252,879,360/18,620,502,901.31
  6. Step 6: Final answer
    x = 13,751,091,840.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.