Home / 19,988,637,124.80-27,584,321,846.88-11,078,541,117.12

Finding the Fourth Proportional to 19,988,637,124.80, 27,584,321,846.88 and 11,078,541,117.12

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Solution

The fourth proportional to 19,988,637,124.80, 27,584,321,846.88 and 11,078,541,117.12 is: 15,288,388,190.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988,637,124.80 : 27,584,321,846.88 = 11,078,541,117.12 : x
  2. Step 2: Convert to fraction form
    19,988,637,124.80/27,584,321,846.88 = 11,078,541,117.12/x
  3. Step 3: Cross multiply
    19,988,637,124.80x = 27,584,321,846.88 × 11,078,541,117.12
  4. Step 4: Simplify right side
    19,988,637,124.80x = 305,594,043,768,531,582,976
  5. Step 5: Solve for x
    x = 305,594,043,768,531,582,976/19,988,637,124.80
  6. Step 6: Final answer
    x = 15,288,388,190.78

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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.