Home / 20,196,398,810.60-30,294,598,215.90-5,474,420,228.60

Finding the Fourth Proportional to 20,196,398,810.60, 30,294,598,215.90 and 5,474,420,228.60

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Solution

The fourth proportional to 20,196,398,810.60, 30,294,598,215.90 and 5,474,420,228.60 is: 8,211,630,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196,398,810.60 : 30,294,598,215.90 = 5,474,420,228.60 : x
  2. Step 2: Convert to fraction form
    20,196,398,810.60/30,294,598,215.90 = 5,474,420,228.60/x
  3. Step 3: Cross multiply
    20,196,398,810.60x = 30,294,598,215.90 × 5,474,420,228.60
  4. Step 4: Simplify right side
    20,196,398,810.60x = 165,845,361,290,432,446,464
  5. Step 5: Solve for x
    x = 165,845,361,290,432,446,464/20,196,398,810.60
  6. Step 6: Final answer
    x = 8,211,630,342.90

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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.