Home / 18,515,520,100.56-27,773,204,568.12-6,724,615,780.56

Finding the Fourth Proportional to 18,515,520,100.56, 27,773,204,568.12 and 6,724,615,780.56

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Solution

The fourth proportional to 18,515,520,100.56, 27,773,204,568.12 and 6,724,615,780.56 is: 10,086,896,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,515,520,100.56 : 27,773,204,568.12 = 6,724,615,780.56 : x
  2. Step 2: Convert to fraction form
    18,515,520,100.56/27,773,204,568.12 = 6,724,615,780.56/x
  3. Step 3: Cross multiply
    18,515,520,100.56x = 27,773,204,568.12 × 6,724,615,780.56
  4. Step 4: Simplify right side
    18,515,520,100.56x = 186,764,129,715,500,843,008
  5. Step 5: Solve for x
    x = 186,764,129,715,500,843,008/18,515,520,100.56
  6. Step 6: Final answer
    x = 10,086,896,220.10

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1.5x scale

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.