Home / 18,421,171,003.50-27,633,338,805.57-6,468,395,971.98

Finding the Fourth Proportional to 18,421,171,003.50, 27,633,338,805.57 and 6,468,395,971.98

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Solution

The fourth proportional to 18,421,171,003.50, 27,633,338,805.57 and 6,468,395,971.98 is: 9,703,149,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,421,171,003.50 : 27,633,338,805.57 = 6,468,395,971.98 : x
  2. Step 2: Convert to fraction form
    18,421,171,003.50/27,633,338,805.57 = 6,468,395,971.98/x
  3. Step 3: Cross multiply
    18,421,171,003.50x = 27,633,338,805.57 × 6,468,395,971.98
  4. Step 4: Simplify right side
    18,421,171,003.50x = 178,743,377,422,275,248,128
  5. Step 5: Solve for x
    x = 178,743,377,422,275,248,128/18,421,171,003.50
  6. Step 6: Final answer
    x = 9,703,149,565.70

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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.