Home / 20,179,393,267.68-27,847,022,971.86-11,146,956,980.58

Finding the Fourth Proportional to 20,179,393,267.68, 27,847,022,971.86 and 11,146,956,980.58

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Solution

The fourth proportional to 20,179,393,267.68, 27,847,022,971.86 and 11,146,956,980.58 is: 15,382,502,485.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179,393,267.68 : 27,847,022,971.86 = 11,146,956,980.58 : x
  2. Step 2: Convert to fraction form
    20,179,393,267.68/27,847,022,971.86 = 11,146,956,980.58/x
  3. Step 3: Cross multiply
    20,179,393,267.68x = 27,847,022,971.86 × 11,146,956,980.58
  4. Step 4: Simplify right side
    20,179,393,267.68x = 310,409,567,104,546,439,168
  5. Step 5: Solve for x
    x = 310,409,567,104,546,439,168/20,179,393,267.68
  6. Step 6: Final answer
    x = 15,382,502,485.93

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1.5x scale

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.