Home / 20,392,610,614.44-27,937,976,213.64-19,628,300,172.36

Finding the Fourth Proportional to 20,392,610,614.44, 27,937,976,213.64 and 19,628,300,172.36

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Solution

The fourth proportional to 20,392,610,614.44, 27,937,976,213.64 and 19,628,300,172.36 is: 26,890,867,172.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,392,610,614.44 : 27,937,976,213.64 = 19,628,300,172.36 : x
  2. Step 2: Convert to fraction form
    20,392,610,614.44/27,937,976,213.64 = 19,628,300,172.36/x
  3. Step 3: Cross multiply
    20,392,610,614.44x = 27,937,976,213.64 × 19,628,300,172.36
  4. Step 4: Simplify right side
    20,392,610,614.44x = 548,374,983,329,579,597,824
  5. Step 5: Solve for x
    x = 548,374,983,329,579,597,824/20,392,610,614.44
  6. Step 6: Final answer
    x = 26,890,867,172.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.