Home / 13,193,463,757.97-18,206,850,637.09-7,171,610,875.27

Finding the Fourth Proportional to 13,193,463,757.97, 18,206,850,637.09 and 7,171,610,875.27

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Solution

The fourth proportional to 13,193,463,757.97, 18,206,850,637.09 and 7,171,610,875.27 is: 9,896,752,697.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193,463,757.97 : 18,206,850,637.09 = 7,171,610,875.27 : x
  2. Step 2: Convert to fraction form
    13,193,463,757.97/18,206,850,637.09 = 7,171,610,875.27/x
  3. Step 3: Cross multiply
    13,193,463,757.97x = 18,206,850,637.09 × 7,171,610,875.27
  4. Step 4: Simplify right side
    13,193,463,757.97x = 130,572,448,033,331,003,392
  5. Step 5: Solve for x
    x = 130,572,448,033,331,003,392/13,193,463,757.97
  6. Step 6: Final answer
    x = 9,896,752,697.30

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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.