Home / 419,127,912.32-574,207,288.54-403,419,098

Finding the Fourth Proportional to 419,127,912.32, 574,207,288.54 and 403,419,098

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Solution

The fourth proportional to 419,127,912.32, 574,207,288.54 and 403,419,098 is: 552,686,136.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,127,912.32 : 574,207,288.54 = 403,419,098 : x
  2. Step 2: Convert to fraction form
    419,127,912.32/574,207,288.54 = 403,419,098/x
  3. Step 3: Cross multiply
    419,127,912.32x = 574,207,288.54 × 403,419,098
  4. Step 4: Simplify right side
    419,127,912.32x = 231,646,186,407,832,512
  5. Step 5: Solve for x
    x = 231,646,186,407,832,512/419,127,912.32
  6. Step 6: Final answer
    x = 552,686,136.14

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.