Home / 22,071,219,939.36-30,498,125,389.92-15,716,555,370.36

Finding the Fourth Proportional to 22,071,219,939.36, 30,498,125,389.92 and 15,716,555,370.36

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Solution

The fourth proportional to 22,071,219,939.36, 30,498,125,389.92 and 15,716,555,370.36 is: 21,717,217,158.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,071,219,939.36 : 30,498,125,389.92 = 15,716,555,370.36 : x
  2. Step 2: Convert to fraction form
    22,071,219,939.36/30,498,125,389.92 = 15,716,555,370.36/x
  3. Step 3: Cross multiply
    22,071,219,939.36x = 30,498,125,389.92 × 15,716,555,370.36
  4. Step 4: Simplify right side
    22,071,219,939.36x = 479,325,476,382,859,853,824
  5. Step 5: Solve for x
    x = 479,325,476,382,859,853,824/22,071,219,939.36
  6. Step 6: Final answer
    x = 21,717,217,158.81

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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.