Home / 18,112,334,966.72-27,180,912,640.26-6,321,453,436.88

Finding the Fourth Proportional to 18,112,334,966.72, 27,180,912,640.26 and 6,321,453,436.88

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Solution

The fourth proportional to 18,112,334,966.72, 27,180,912,640.26 and 6,321,453,436.88 is: 9,486,511,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112,334,966.72 : 27,180,912,640.26 = 6,321,453,436.88 : x
  2. Step 2: Convert to fraction form
    18,112,334,966.72/27,180,912,640.26 = 6,321,453,436.88/x
  3. Step 3: Cross multiply
    18,112,334,966.72x = 27,180,912,640.26 × 6,321,453,436.88
  4. Step 4: Simplify right side
    18,112,334,966.72x = 171,822,873,627,306,590,208
  5. Step 5: Solve for x
    x = 171,822,873,627,306,590,208/18,112,334,966.72
  6. Step 6: Final answer
    x = 9,486,511,481.98

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1.5x scale

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.