Home / 9,213,507,395.28-12,716,160,571.08-5,647,198,078.80

Finding the Fourth Proportional to 9,213,507,395.28, 12,716,160,571.08 and 5,647,198,078.80

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Solution

The fourth proportional to 9,213,507,395.28, 12,716,160,571.08 and 5,647,198,078.80 is: 7,794,065,220.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213,507,395.28 : 12,716,160,571.08 = 5,647,198,078.80 : x
  2. Step 2: Convert to fraction form
    9,213,507,395.28/12,716,160,571.08 = 5,647,198,078.80/x
  3. Step 3: Cross multiply
    9,213,507,395.28x = 12,716,160,571.08 × 5,647,198,078.80
  4. Step 4: Simplify right side
    9,213,507,395.28x = 71,810,677,546,715,291,648
  5. Step 5: Solve for x
    x = 71,810,677,546,715,291,648/9,213,507,395.28
  6. Step 6: Final answer
    x = 7,794,065,220.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.