Home / 21,551,201,734.26-29,524,653,166.11-20,745,449,490.54

Finding the Fourth Proportional to 21,551,201,734.26, 29,524,653,166.11 and 20,745,449,490.54

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Solution

The fourth proportional to 21,551,201,734.26, 29,524,653,166.11 and 20,745,449,490.54 is: 28,420,791,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551,201,734.26 : 29,524,653,166.11 = 20,745,449,490.54 : x
  2. Step 2: Convert to fraction form
    21,551,201,734.26/29,524,653,166.11 = 20,745,449,490.54/x
  3. Step 3: Cross multiply
    21,551,201,734.26x = 29,524,653,166.11 × 20,745,449,490.54
  4. Step 4: Simplify right side
    21,551,201,734.26x = 612,502,200,983,246,995,456
  5. Step 5: Solve for x
    x = 612,502,200,983,246,995,456/21,551,201,734.26
  6. Step 6: Final answer
    x = 28,420,791,032.25

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.