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Finding the Fourth Proportional to 1,033,600,843.39, 1,550,398,899.71 and 443,008,134.12

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Solution

The fourth proportional to 1,033,600,843.39, 1,550,398,899.71 and 443,008,134.12 is: 664,511,187.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033,600,843.39 : 1,550,398,899.71 = 443,008,134.12 : x
  2. Step 2: Convert to fraction form
    1,033,600,843.39/1,550,398,899.71 = 443,008,134.12/x
  3. Step 3: Cross multiply
    1,033,600,843.39x = 1,550,398,899.71 × 443,008,134.12
  4. Step 4: Simplify right side
    1,033,600,843.39x = 686,839,323,706,668,672
  5. Step 5: Solve for x
    x = 686,839,323,706,668,672/1,033,600,843.39
  6. Step 6: Final answer
    x = 664,511,187.37

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Double scale
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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.