Home / 22,315,215,949.38-30,794,998,571.64-12,290,710,796.51

Finding the Fourth Proportional to 22,315,215,949.38, 30,794,998,571.64 and 12,290,710,796.51

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Solution

The fourth proportional to 22,315,215,949.38, 30,794,998,571.64 and 12,290,710,796.51 is: 16,961,181,208.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,315,215,949.38 : 30,794,998,571.64 = 12,290,710,796.51 : x
  2. Step 2: Convert to fraction form
    22,315,215,949.38/30,794,998,571.64 = 12,290,710,796.51/x
  3. Step 3: Cross multiply
    22,315,215,949.38x = 30,794,998,571.64 × 12,290,710,796.51
  4. Step 4: Simplify right side
    22,315,215,949.38x = 378,492,421,422,811,774,976
  5. Step 5: Solve for x
    x = 378,492,421,422,811,774,976/22,315,215,949.38
  6. Step 6: Final answer
    x = 16,961,181,208.44

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Double scale
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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.