Home / 1,122,052,012.80-1,683,078,019.20-1,079,053,843.20

Finding the Fourth Proportional to 1,122,052,012.80, 1,683,078,019.20 and 1,079,053,843.20

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Solution

The fourth proportional to 1,122,052,012.80, 1,683,078,019.20 and 1,079,053,843.20 is: 1,618,580,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,052,012.80 : 1,683,078,019.20 = 1,079,053,843.20 : x
  2. Step 2: Convert to fraction form
    1,122,052,012.80/1,683,078,019.20 = 1,079,053,843.20/x
  3. Step 3: Cross multiply
    1,122,052,012.80x = 1,683,078,019.20 × 1,079,053,843.20
  4. Step 4: Simplify right side
    1,122,052,012.80x = 1,816,131,805,023,203,584
  5. Step 5: Solve for x
    x = 1,816,131,805,023,203,584/1,122,052,012.80
  6. Step 6: Final answer
    x = 1,618,580,764.80

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Double scale
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Similar ratio
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1.5x scale

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.