Home / 20,345,933,626.80-30,520,353,267-5,423,021,022.48

Finding the Fourth Proportional to 20,345,933,626.80, 30,520,353,267 and 5,423,021,022.48

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Solution

The fourth proportional to 20,345,933,626.80, 30,520,353,267 and 5,423,021,022.48 is: 8,134,918,771.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,345,933,626.80 : 30,520,353,267 = 5,423,021,022.48 : x
  2. Step 2: Convert to fraction form
    20,345,933,626.80/30,520,353,267 = 5,423,021,022.48/x
  3. Step 3: Cross multiply
    20,345,933,626.80x = 30,520,353,267 × 5,423,021,022.48
  4. Step 4: Simplify right side
    20,345,933,626.80x = 165,512,517,380,457,136,128
  5. Step 5: Solve for x
    x = 165,512,517,380,457,136,128/20,345,933,626.80
  6. Step 6: Final answer
    x = 8,134,918,771.31

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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.