Home / 20,196,398,776.60-30,294,598,164.90-5,474,420,194.60

Finding the Fourth Proportional to 20,196,398,776.60, 30,294,598,164.90 and 5,474,420,194.60

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Solution

The fourth proportional to 20,196,398,776.60, 30,294,598,164.90 and 5,474,420,194.60 is: 8,211,630,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196,398,776.60 : 30,294,598,164.90 = 5,474,420,194.60 : x
  2. Step 2: Convert to fraction form
    20,196,398,776.60/30,294,598,164.90 = 5,474,420,194.60/x
  3. Step 3: Cross multiply
    20,196,398,776.60x = 30,294,598,164.90 × 5,474,420,194.60
  4. Step 4: Simplify right side
    20,196,398,776.60x = 165,845,359,981,220,691,968
  5. Step 5: Solve for x
    x = 165,845,359,981,220,691,968/20,196,398,776.60
  6. Step 6: Final answer
    x = 8,211,630,291.90

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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.