Home / 819,072,002.70-1,228,608,004.05-796,397,186.70

Finding the Fourth Proportional to 819,072,002.70, 1,228,608,004.05 and 796,397,186.70

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Solution

The fourth proportional to 819,072,002.70, 1,228,608,004.05 and 796,397,186.70 is: 1,194,595,780.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,072,002.70 : 1,228,608,004.05 = 796,397,186.70 : x
  2. Step 2: Convert to fraction form
    819,072,002.70/1,228,608,004.05 = 796,397,186.70/x
  3. Step 3: Cross multiply
    819,072,002.70x = 1,228,608,004.05 × 796,397,186.70
  4. Step 4: Simplify right side
    819,072,002.70x = 978,459,957,982,522,240
  5. Step 5: Solve for x
    x = 978,459,957,982,522,240/819,072,002.70
  6. Step 6: Final answer
    x = 1,194,595,780.05

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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.