Home / 1,181,057,039.40-1,771,585,559.10-1,121,934,556.20

Finding the Fourth Proportional to 1,181,057,039.40, 1,771,585,559.10 and 1,121,934,556.20

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Solution

The fourth proportional to 1,181,057,039.40, 1,771,585,559.10 and 1,121,934,556.20 is: 1,682,901,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,057,039.40 : 1,771,585,559.10 = 1,121,934,556.20 : x
  2. Step 2: Convert to fraction form
    1,181,057,039.40/1,771,585,559.10 = 1,121,934,556.20/x
  3. Step 3: Cross multiply
    1,181,057,039.40x = 1,771,585,559.10 × 1,121,934,556.20
  4. Step 4: Simplify right side
    1,181,057,039.40x = 1,987,603,058,019,187,456
  5. Step 5: Solve for x
    x = 1,987,603,058,019,187,456/1,181,057,039.40
  6. Step 6: Final answer
    x = 1,682,901,834.30

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Double scale
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Similar ratio
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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.