Home / 1,181,952,048.40-1,772,928,072.60-320,309,040.40

Finding the Fourth Proportional to 1,181,952,048.40, 1,772,928,072.60 and 320,309,040.40

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Solution

The fourth proportional to 1,181,952,048.40, 1,772,928,072.60 and 320,309,040.40 is: 480,463,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,952,048.40 : 1,772,928,072.60 = 320,309,040.40 : x
  2. Step 2: Convert to fraction form
    1,181,952,048.40/1,772,928,072.60 = 320,309,040.40/x
  3. Step 3: Cross multiply
    1,181,952,048.40x = 1,772,928,072.60 × 320,309,040.40
  4. Step 4: Simplify right side
    1,181,952,048.40x = 567,884,889,632,727,488
  5. Step 5: Solve for x
    x = 567,884,889,632,727,488/1,181,952,048.40
  6. Step 6: Final answer
    x = 480,463,560.60

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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.