Home / 3,849,546,427.28-5,311,463,466.96-2,178,795,568.40

Finding the Fourth Proportional to 3,849,546,427.28, 5,311,463,466.96 and 2,178,795,568.40

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Solution

The fourth proportional to 3,849,546,427.28, 5,311,463,466.96 and 2,178,795,568.40 is: 3,006,222,494.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849,546,427.28 : 5,311,463,466.96 = 2,178,795,568.40 : x
  2. Step 2: Convert to fraction form
    3,849,546,427.28/5,311,463,466.96 = 2,178,795,568.40/x
  3. Step 3: Cross multiply
    3,849,546,427.28x = 5,311,463,466.96 × 2,178,795,568.40
  4. Step 4: Simplify right side
    3,849,546,427.28x = 11,572,593,063,530,948,608
  5. Step 5: Solve for x
    x = 11,572,593,063,530,948,608/3,849,546,427.28
  6. Step 6: Final answer
    x = 3,006,222,494.56

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Double scale
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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.