Home / 18,174,018,664.80-27,261,027,997.20-11,970,189,007.20

Finding the Fourth Proportional to 18,174,018,664.80, 27,261,027,997.20 and 11,970,189,007.20

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Solution

The fourth proportional to 18,174,018,664.80, 27,261,027,997.20 and 11,970,189,007.20 is: 17,955,283,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174,018,664.80 : 27,261,027,997.20 = 11,970,189,007.20 : x
  2. Step 2: Convert to fraction form
    18,174,018,664.80/27,261,027,997.20 = 11,970,189,007.20/x
  3. Step 3: Cross multiply
    18,174,018,664.80x = 27,261,027,997.20 × 11,970,189,007.20
  4. Step 4: Simplify right side
    18,174,018,664.80x = 326,319,657,657,054,920,704
  5. Step 5: Solve for x
    x = 326,319,657,657,054,920,704/18,174,018,664.80
  6. Step 6: Final answer
    x = 17,955,283,510.80

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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.