Home / 2,211,723,989.19-3,052,189,507.94-1,208,155,479.50

Finding the Fourth Proportional to 2,211,723,989.19, 3,052,189,507.94 and 1,208,155,479.50

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Solution

The fourth proportional to 2,211,723,989.19, 3,052,189,507.94 and 1,208,155,479.50 is: 1,667,260,244.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,723,989.19 : 3,052,189,507.94 = 1,208,155,479.50 : x
  2. Step 2: Convert to fraction form
    2,211,723,989.19/3,052,189,507.94 = 1,208,155,479.50/x
  3. Step 3: Cross multiply
    2,211,723,989.19x = 3,052,189,507.94 × 1,208,155,479.50
  4. Step 4: Simplify right side
    2,211,723,989.19x = 3,687,519,478,500,770,816
  5. Step 5: Solve for x
    x = 3,687,519,478,500,770,816/2,211,723,989.19
  6. Step 6: Final answer
    x = 1,667,260,244.28

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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.