Home / 5,256,576,145.80-7,884,864,218.70-3,188,632,926.60

Finding the Fourth Proportional to 5,256,576,145.80, 7,884,864,218.70 and 3,188,632,926.60

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Solution

The fourth proportional to 5,256,576,145.80, 7,884,864,218.70 and 3,188,632,926.60 is: 4,782,949,389.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256,576,145.80 : 7,884,864,218.70 = 3,188,632,926.60 : x
  2. Step 2: Convert to fraction form
    5,256,576,145.80/7,884,864,218.70 = 3,188,632,926.60/x
  3. Step 3: Cross multiply
    5,256,576,145.80x = 7,884,864,218.70 × 3,188,632,926.60
  4. Step 4: Simplify right side
    5,256,576,145.80x = 25,141,937,669,517,000,704
  5. Step 5: Solve for x
    x = 25,141,937,669,517,000,704/5,256,576,145.80
  6. Step 6: Final answer
    x = 4,782,949,389.90

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Double scale
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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.