Home / 1,161,235,261.20-1,741,852,891.80-985,883,350.80

Finding the Fourth Proportional to 1,161,235,261.20, 1,741,852,891.80 and 985,883,350.80

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Solution

The fourth proportional to 1,161,235,261.20, 1,741,852,891.80 and 985,883,350.80 is: 1,478,825,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,235,261.20 : 1,741,852,891.80 = 985,883,350.80 : x
  2. Step 2: Convert to fraction form
    1,161,235,261.20/1,741,852,891.80 = 985,883,350.80/x
  3. Step 3: Cross multiply
    1,161,235,261.20x = 1,741,852,891.80 × 985,883,350.80
  4. Step 4: Simplify right side
    1,161,235,261.20x = 1,717,263,765,568,453,632
  5. Step 5: Solve for x
    x = 1,717,263,765,568,453,632/1,161,235,261.20
  6. Step 6: Final answer
    x = 1,478,825,026.20

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Half scale
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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.