Home / 1,997,568,007.80-2,996,352,011.70-1,273,765,486.20

Finding the Fourth Proportional to 1,997,568,007.80, 2,996,352,011.70 and 1,273,765,486.20

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Solution

The fourth proportional to 1,997,568,007.80, 2,996,352,011.70 and 1,273,765,486.20 is: 1,910,648,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,568,007.80 : 2,996,352,011.70 = 1,273,765,486.20 : x
  2. Step 2: Convert to fraction form
    1,997,568,007.80/2,996,352,011.70 = 1,273,765,486.20/x
  3. Step 3: Cross multiply
    1,997,568,007.80x = 2,996,352,011.70 × 1,273,765,486.20
  4. Step 4: Simplify right side
    1,997,568,007.80x = 3,816,649,777,009,398,272
  5. Step 5: Solve for x
    x = 3,816,649,777,009,398,272/1,997,568,007.80
  6. Step 6: Final answer
    x = 1,910,648,229.30

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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.