Home / 20,335,470,902.04-28,062,234,091.80-11,179,933,081.32

Finding the Fourth Proportional to 20,335,470,902.04, 28,062,234,091.80 and 11,179,933,081.32

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Solution

The fourth proportional to 20,335,470,902.04, 28,062,234,091.80 and 11,179,933,081.32 is: 15,427,914,149.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,335,470,902.04 : 28,062,234,091.80 = 11,179,933,081.32 : x
  2. Step 2: Convert to fraction form
    20,335,470,902.04/28,062,234,091.80 = 11,179,933,081.32/x
  3. Step 3: Cross multiply
    20,335,470,902.04x = 28,062,234,091.80 × 11,179,933,081.32
  4. Step 4: Simplify right side
    20,335,470,902.04x = 313,733,899,258,660,716,544
  5. Step 5: Solve for x
    x = 313,733,899,258,660,716,544/20,335,470,902.04
  6. Step 6: Final answer
    x = 15,427,914,149.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.