Home / 1,181,952,034.80-1,772,928,052.20-320,309,026.80

Finding the Fourth Proportional to 1,181,952,034.80, 1,772,928,052.20 and 320,309,026.80

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Solution

The fourth proportional to 1,181,952,034.80, 1,772,928,052.20 and 320,309,026.80 is: 480,463,540.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,952,034.80 : 1,772,928,052.20 = 320,309,026.80 : x
  2. Step 2: Convert to fraction form
    1,181,952,034.80/1,772,928,052.20 = 320,309,026.80/x
  3. Step 3: Cross multiply
    1,181,952,034.80x = 1,772,928,052.20 × 320,309,026.80
  4. Step 4: Simplify right side
    1,181,952,034.80x = 567,884,858,986,601,664
  5. Step 5: Solve for x
    x = 567,884,858,986,601,664/1,181,952,034.80
  6. Step 6: Final answer
    x = 480,463,540.20

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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.