Home / 1,033,600,844.39-1,550,398,901.21-443,008,135.12

Finding the Fourth Proportional to 1,033,600,844.39, 1,550,398,901.21 and 443,008,135.12

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Solution

The fourth proportional to 1,033,600,844.39, 1,550,398,901.21 and 443,008,135.12 is: 664,511,188.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033,600,844.39 : 1,550,398,901.21 = 443,008,135.12 : x
  2. Step 2: Convert to fraction form
    1,033,600,844.39/1,550,398,901.21 = 443,008,135.12/x
  3. Step 3: Cross multiply
    1,033,600,844.39x = 1,550,398,901.21 × 443,008,135.12
  4. Step 4: Simplify right side
    1,033,600,844.39x = 686,839,325,917,139,200
  5. Step 5: Solve for x
    x = 686,839,325,917,139,200/1,033,600,844.39
  6. Step 6: Final answer
    x = 664,511,188.86

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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.