Home / 48,499,432,879.80-72,749,149,319.70-42,501,188,220.60

Finding the Fourth Proportional to 48,499,432,879.80, 72,749,149,319.70 and 42,501,188,220.60

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Solution

The fourth proportional to 48,499,432,879.80, 72,749,149,319.70 and 42,501,188,220.60 is: 63,751,782,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,499,432,879.80 : 72,749,149,319.70 = 42,501,188,220.60 : x
  2. Step 2: Convert to fraction form
    48,499,432,879.80/72,749,149,319.70 = 42,501,188,220.60/x
  3. Step 3: Cross multiply
    48,499,432,879.80x = 72,749,149,319.70 × 42,501,188,220.60
  4. Step 4: Simplify right side
    48,499,432,879.80x = 3,091,925,288,125,103,865,856
  5. Step 5: Solve for x
    x = 3,091,925,288,125,103,865,856/48,499,432,879.80
  6. Step 6: Final answer
    x = 63,751,782,330.90

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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.