Home / 18,542,795,522.31-27,826,591,968.72-7,921,502,006.22

Finding the Fourth Proportional to 18,542,795,522.31, 27,826,591,968.72 and 7,921,502,006.22

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Solution

The fourth proportional to 18,542,795,522.31, 27,826,591,968.72 and 7,921,502,006.22 is: 11,887,549,740.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,542,795,522.31 : 27,826,591,968.72 = 7,921,502,006.22 : x
  2. Step 2: Convert to fraction form
    18,542,795,522.31/27,826,591,968.72 = 7,921,502,006.22/x
  3. Step 3: Cross multiply
    18,542,795,522.31x = 27,826,591,968.72 × 7,921,502,006.22
  4. Step 4: Simplify right side
    18,542,795,522.31x = 220,428,404,106,480,844,800
  5. Step 5: Solve for x
    x = 220,428,404,106,480,844,800/18,542,795,522.31
  6. Step 6: Final answer
    x = 11,887,549,740.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.