Home / 1,328,611,408.40-1,992,917,112.60-984,237,640.40

Finding the Fourth Proportional to 1,328,611,408.40, 1,992,917,112.60 and 984,237,640.40

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Solution

The fourth proportional to 1,328,611,408.40, 1,992,917,112.60 and 984,237,640.40 is: 1,476,356,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,611,408.40 : 1,992,917,112.60 = 984,237,640.40 : x
  2. Step 2: Convert to fraction form
    1,328,611,408.40/1,992,917,112.60 = 984,237,640.40/x
  3. Step 3: Cross multiply
    1,328,611,408.40x = 1,992,917,112.60 × 984,237,640.40
  4. Step 4: Simplify right side
    1,328,611,408.40x = 1,961,504,036,418,204,928
  5. Step 5: Solve for x
    x = 1,961,504,036,418,204,928/1,328,611,408.40
  6. Step 6: Final answer
    x = 1,476,356,460.60

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Double scale
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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.