Home / 819,502,650.38-1,130,198,942.38-580,875,843.62

Finding the Fourth Proportional to 819,502,650.38, 1,130,198,942.38 and 580,875,843.62

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Solution

The fourth proportional to 819,502,650.38, 1,130,198,942.38 and 580,875,843.62 is: 801,102,063.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,502,650.38 : 1,130,198,942.38 = 580,875,843.62 : x
  2. Step 2: Convert to fraction form
    819,502,650.38/1,130,198,942.38 = 580,875,843.62/x
  3. Step 3: Cross multiply
    819,502,650.38x = 1,130,198,942.38 × 580,875,843.62
  4. Step 4: Simplify right side
    819,502,650.38x = 656,505,264,113,414,400
  5. Step 5: Solve for x
    x = 656,505,264,113,414,400/819,502,650.38
  6. Step 6: Final answer
    x = 801,102,063.32

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1.5x scale

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.