Home / 1,407,664,229.40-2,111,496,344.10-1,081,784,608.20

Finding the Fourth Proportional to 1,407,664,229.40, 2,111,496,344.10 and 1,081,784,608.20

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Solution

The fourth proportional to 1,407,664,229.40, 2,111,496,344.10 and 1,081,784,608.20 is: 1,622,676,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,664,229.40 : 2,111,496,344.10 = 1,081,784,608.20 : x
  2. Step 2: Convert to fraction form
    1,407,664,229.40/2,111,496,344.10 = 1,081,784,608.20/x
  3. Step 3: Cross multiply
    1,407,664,229.40x = 2,111,496,344.10 × 1,081,784,608.20
  4. Step 4: Simplify right side
    1,407,664,229.40x = 2,284,184,245,317,950,976
  5. Step 5: Solve for x
    x = 2,284,184,245,317,950,976/1,407,664,229.40
  6. Step 6: Final answer
    x = 1,622,676,912.30

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Double scale
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Similar ratio
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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.