Home / 1,419,993,741.33-1,959,786,028.85-817,151,975.19

Finding the Fourth Proportional to 1,419,993,741.33, 1,959,786,028.85 and 817,151,975.19

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Solution

The fourth proportional to 1,419,993,741.33, 1,959,786,028.85 and 817,151,975.19 is: 1,127,781,748.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,993,741.33 : 1,959,786,028.85 = 817,151,975.19 : x
  2. Step 2: Convert to fraction form
    1,419,993,741.33/1,959,786,028.85 = 817,151,975.19/x
  3. Step 3: Cross multiply
    1,419,993,741.33x = 1,959,786,028.85 × 817,151,975.19
  4. Step 4: Simplify right side
    1,419,993,741.33x = 1,601,443,024,420,458,240
  5. Step 5: Solve for x
    x = 1,601,443,024,420,458,240/1,419,993,741.33
  6. Step 6: Final answer
    x = 1,127,781,748.47

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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.