Home / 48,499,432,872.80-72,749,149,309.20-42,501,188,213.60

Finding the Fourth Proportional to 48,499,432,872.80, 72,749,149,309.20 and 42,501,188,213.60

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Solution

The fourth proportional to 48,499,432,872.80, 72,749,149,309.20 and 42,501,188,213.60 is: 63,751,782,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,499,432,872.80 : 72,749,149,309.20 = 42,501,188,213.60 : x
  2. Step 2: Convert to fraction form
    48,499,432,872.80/72,749,149,309.20 = 42,501,188,213.60/x
  3. Step 3: Cross multiply
    48,499,432,872.80x = 72,749,149,309.20 × 42,501,188,213.60
  4. Step 4: Simplify right side
    48,499,432,872.80x = 3,091,925,287,169,597,374,464
  5. Step 5: Solve for x
    x = 3,091,925,287,169,597,374,464/48,499,432,872.80
  6. Step 6: Final answer
    x = 63,751,782,320.40

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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.