Home / 18,887,388,872.92-26,055,182,433.54-11,261,056,208.20

Finding the Fourth Proportional to 18,887,388,872.92, 26,055,182,433.54 and 11,261,056,208.20

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Solution

The fourth proportional to 18,887,388,872.92, 26,055,182,433.54 and 11,261,056,208.20 is: 15,534,644,617.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887,388,872.92 : 26,055,182,433.54 = 11,261,056,208.20 : x
  2. Step 2: Convert to fraction form
    18,887,388,872.92/26,055,182,433.54 = 11,261,056,208.20/x
  3. Step 3: Cross multiply
    18,887,388,872.92x = 26,055,182,433.54 × 11,261,056,208.20
  4. Step 4: Simplify right side
    18,887,388,872.92x = 293,408,873,898,999,218,176
  5. Step 5: Solve for x
    x = 293,408,873,898,999,218,176/18,887,388,872.92
  6. Step 6: Final answer
    x = 15,534,644,617.80

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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.