Home / 796,193,393.47-1,098,751,982.09-443,791,728.02

Finding the Fourth Proportional to 796,193,393.47, 1,098,751,982.09 and 443,791,728.02

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Solution

The fourth proportional to 796,193,393.47, 1,098,751,982.09 and 443,791,728.02 is: 612,435,426.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,193,393.47 : 1,098,751,982.09 = 443,791,728.02 : x
  2. Step 2: Convert to fraction form
    796,193,393.47/1,098,751,982.09 = 443,791,728.02/x
  3. Step 3: Cross multiply
    796,193,393.47x = 1,098,751,982.09 × 443,791,728.02
  4. Step 4: Simplify right side
    796,193,393.47x = 487,617,040,797,649,088
  5. Step 5: Solve for x
    x = 487,617,040,797,649,088/796,193,393.47
  6. Step 6: Final answer
    x = 612,435,426.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.