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Finding the Fourth Proportional to 1,733,642,992.80, 2,600,464,489.20 and 998,978,954.40

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Solution

The fourth proportional to 1,733,642,992.80, 2,600,464,489.20 and 998,978,954.40 is: 1,498,468,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733,642,992.80 : 2,600,464,489.20 = 998,978,954.40 : x
  2. Step 2: Convert to fraction form
    1,733,642,992.80/2,600,464,489.20 = 998,978,954.40/x
  3. Step 3: Cross multiply
    1,733,642,992.80x = 2,600,464,489.20 × 998,978,954.40
  4. Step 4: Simplify right side
    1,733,642,992.80x = 2,597,809,296,375,345,664
  5. Step 5: Solve for x
    x = 2,597,809,296,375,345,664/1,733,642,992.80
  6. Step 6: Final answer
    x = 1,498,468,431.60

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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.