Home / 18,327,725,021.87-27,480,336,496.72-7,122,515,780.51

Finding the Fourth Proportional to 18,327,725,021.87, 27,480,336,496.72 and 7,122,515,780.51

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Solution

The fourth proportional to 18,327,725,021.87, 27,480,336,496.72 and 7,122,515,780.51 is: 10,679,401,296.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327,725,021.87 : 27,480,336,496.72 = 7,122,515,780.51 : x
  2. Step 2: Convert to fraction form
    18,327,725,021.87/27,480,336,496.72 = 7,122,515,780.51/x
  3. Step 3: Cross multiply
    18,327,725,021.87x = 27,480,336,496.72 × 7,122,515,780.51
  4. Step 4: Simplify right side
    18,327,725,021.87x = 195,729,130,351,440,068,608
  5. Step 5: Solve for x
    x = 195,729,130,351,440,068,608/18,327,725,021.87
  6. Step 6: Final answer
    x = 10,679,401,296.01

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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.