Home / 19,937,198,006.19-27,521,804,843.24-12,422,531,921.22

Finding the Fourth Proportional to 19,937,198,006.19, 27,521,804,843.24 and 12,422,531,921.22

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Solution

The fourth proportional to 19,937,198,006.19, 27,521,804,843.24 and 12,422,531,921.22 is: 17,148,372,559.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937,198,006.19 : 27,521,804,843.24 = 12,422,531,921.22 : x
  2. Step 2: Convert to fraction form
    19,937,198,006.19/27,521,804,843.24 = 12,422,531,921.22/x
  3. Step 3: Cross multiply
    19,937,198,006.19x = 27,521,804,843.24 × 12,422,531,921.22
  4. Step 4: Simplify right side
    19,937,198,006.19x = 341,890,499,194,673,954,816
  5. Step 5: Solve for x
    x = 341,890,499,194,673,954,816/19,937,198,006.19
  6. Step 6: Final answer
    x = 17,148,372,559.10

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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.