Home / 18,112,334,883.61-27,180,912,515.82-6,321,453,353.59

Finding the Fourth Proportional to 18,112,334,883.61, 27,180,912,515.82 and 6,321,453,353.59

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Solution

The fourth proportional to 18,112,334,883.61, 27,180,912,515.82 and 6,321,453,353.59 is: 9,486,511,357.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112,334,883.61 : 27,180,912,515.82 = 6,321,453,353.59 : x
  2. Step 2: Convert to fraction form
    18,112,334,883.61/27,180,912,515.82 = 6,321,453,353.59/x
  3. Step 3: Cross multiply
    18,112,334,883.61x = 27,180,912,515.82 × 6,321,453,353.59
  4. Step 4: Simplify right side
    18,112,334,883.61x = 171,822,870,576,766,746,624
  5. Step 5: Solve for x
    x = 171,822,870,576,766,746,624/18,112,334,883.61
  6. Step 6: Final answer
    x = 9,486,511,357.09

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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.