Home / 852,961,074.48-1,279,441,611.72-206,728,818.48

Finding the Fourth Proportional to 852,961,074.48, 1,279,441,611.72 and 206,728,818.48

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Solution

The fourth proportional to 852,961,074.48, 1,279,441,611.72 and 206,728,818.48 is: 310,093,227.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,961,074.48 : 1,279,441,611.72 = 206,728,818.48 : x
  2. Step 2: Convert to fraction form
    852,961,074.48/1,279,441,611.72 = 206,728,818.48/x
  3. Step 3: Cross multiply
    852,961,074.48x = 1,279,441,611.72 × 206,728,818.48
  4. Step 4: Simplify right side
    852,961,074.48x = 264,497,452,705,022,528
  5. Step 5: Solve for x
    x = 264,497,452,705,022,528/852,961,074.48
  6. Step 6: Final answer
    x = 310,093,227.72

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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.