Home / 20,717,727,999.80-31,076,591,999.70-18,540,945,663.80

Finding the Fourth Proportional to 20,717,727,999.80, 31,076,591,999.70 and 18,540,945,663.80

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Solution

The fourth proportional to 20,717,727,999.80, 31,076,591,999.70 and 18,540,945,663.80 is: 27,811,418,495.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,717,727,999.80 : 31,076,591,999.70 = 18,540,945,663.80 : x
  2. Step 2: Convert to fraction form
    20,717,727,999.80/31,076,591,999.70 = 18,540,945,663.80/x
  3. Step 3: Cross multiply
    20,717,727,999.80x = 31,076,591,999.70 × 18,540,945,663.80
  4. Step 4: Simplify right side
    20,717,727,999.80x = 576,189,403,682,519,449,600
  5. Step 5: Solve for x
    x = 576,189,403,682,519,449,600/20,717,727,999.80
  6. Step 6: Final answer
    x = 27,811,418,495.70

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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.