Home / 3,991,200,434.52-5,507,892,287.13-2,207,173,923.02

Finding the Fourth Proportional to 3,991,200,434.52, 5,507,892,287.13 and 2,207,173,923.02

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Solution

The fourth proportional to 3,991,200,434.52, 5,507,892,287.13 and 2,207,173,923.02 is: 3,045,919,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,200,434.52 : 5,507,892,287.13 = 2,207,173,923.02 : x
  2. Step 2: Convert to fraction form
    3,991,200,434.52/5,507,892,287.13 = 2,207,173,923.02/x
  3. Step 3: Cross multiply
    3,991,200,434.52x = 5,507,892,287.13 × 2,207,173,923.02
  4. Step 4: Simplify right side
    3,991,200,434.52x = 12,156,876,226,928,783,360
  5. Step 5: Solve for x
    x = 12,156,876,226,928,783,360/3,991,200,434.52
  6. Step 6: Final answer
    x = 3,045,919,749.30

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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.