Home / 30,668,656,519.10-46,002,984,778.65-20,199,693,971.90

Finding the Fourth Proportional to 30,668,656,519.10, 46,002,984,778.65 and 20,199,693,971.90

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Solution

The fourth proportional to 30,668,656,519.10, 46,002,984,778.65 and 20,199,693,971.90 is: 30,299,540,957.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,668,656,519.10 : 46,002,984,778.65 = 20,199,693,971.90 : x
  2. Step 2: Convert to fraction form
    30,668,656,519.10/46,002,984,778.65 = 20,199,693,971.90/x
  3. Step 3: Cross multiply
    30,668,656,519.10x = 46,002,984,778.65 × 20,199,693,971.90
  4. Step 4: Simplify right side
    30,668,656,519.10x = 929,246,214,322,703,958,016
  5. Step 5: Solve for x
    x = 929,246,214,322,703,958,016/30,668,656,519.10
  6. Step 6: Final answer
    x = 30,299,540,957.85

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Double scale
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Similar ratio
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1.5x scale

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.