Home / 20,345,933,627.80-30,520,353,268.50-5,423,021,023.48

Finding the Fourth Proportional to 20,345,933,627.80, 30,520,353,268.50 and 5,423,021,023.48

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Solution

The fourth proportional to 20,345,933,627.80, 30,520,353,268.50 and 5,423,021,023.48 is: 8,134,918,772.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,345,933,627.80 : 30,520,353,268.50 = 5,423,021,023.48 : x
  2. Step 2: Convert to fraction form
    20,345,933,627.80/30,520,353,268.50 = 5,423,021,023.48/x
  3. Step 3: Cross multiply
    20,345,933,627.80x = 30,520,353,268.50 × 5,423,021,023.48
  4. Step 4: Simplify right side
    20,345,933,627.80x = 165,512,517,419,112,005,632
  5. Step 5: Solve for x
    x = 165,512,517,419,112,005,632/20,345,933,627.80
  6. Step 6: Final answer
    x = 8,134,918,772.81

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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.