Home / 919,714,900.56-1,379,591,942.52-329,543,680.08

Finding the Fourth Proportional to 919,714,900.56, 1,379,591,942.52 and 329,543,680.08

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Solution

The fourth proportional to 919,714,900.56, 1,379,591,942.52 and 329,543,680.08 is: 494,322,540.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,714,900.56 : 1,379,591,942.52 = 329,543,680.08 : x
  2. Step 2: Convert to fraction form
    919,714,900.56/1,379,591,942.52 = 329,543,680.08/x
  3. Step 3: Cross multiply
    919,714,900.56x = 1,379,591,942.52 × 329,543,680.08
  4. Step 4: Simplify right side
    919,714,900.56x = 454,635,805,746,756,608
  5. Step 5: Solve for x
    x = 454,635,805,746,756,608/919,714,900.56
  6. Step 6: Final answer
    x = 494,322,540.03

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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.