Home / 1,986,233,168.44-2,741,086,812.78-1,106,166,869.56

Finding the Fourth Proportional to 1,986,233,168.44, 2,741,086,812.78 and 1,106,166,869.56

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Solution

The fourth proportional to 1,986,233,168.44, 2,741,086,812.78 and 1,106,166,869.56 is: 1,526,557,640.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,233,168.44 : 2,741,086,812.78 = 1,106,166,869.56 : x
  2. Step 2: Convert to fraction form
    1,986,233,168.44/2,741,086,812.78 = 1,106,166,869.56/x
  3. Step 3: Cross multiply
    1,986,233,168.44x = 2,741,086,812.78 × 1,106,166,869.56
  4. Step 4: Simplify right side
    1,986,233,168.44x = 3,032,099,418,885,050,368
  5. Step 5: Solve for x
    x = 3,032,099,418,885,050,368/1,986,233,168.44
  6. Step 6: Final answer
    x = 1,526,557,640.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.