Home / 12,531,802,619.97-18,795,659,640.78-3,686,573,575.38

Finding the Fourth Proportional to 12,531,802,619.97, 18,795,659,640.78 and 3,686,573,575.38

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Solution

The fourth proportional to 12,531,802,619.97, 18,795,659,640.78 and 3,686,573,575.38 is: 5,529,258,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531,802,619.97 : 18,795,659,640.78 = 3,686,573,575.38 : x
  2. Step 2: Convert to fraction form
    12,531,802,619.97/18,795,659,640.78 = 3,686,573,575.38/x
  3. Step 3: Cross multiply
    12,531,802,619.97x = 18,795,659,640.78 × 3,686,573,575.38
  4. Step 4: Simplify right side
    12,531,802,619.97x = 69,291,582,163,535,888,384
  5. Step 5: Solve for x
    x = 69,291,582,163,535,888,384/12,531,802,619.97
  6. Step 6: Final answer
    x = 5,529,258,979.32

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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.