Home / 754,123,761.72-1,040,674,471.38-436,597,396.14

Finding the Fourth Proportional to 754,123,761.72, 1,040,674,471.38 and 436,597,396.14

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Solution

The fourth proportional to 754,123,761.72, 1,040,674,471.38 and 436,597,396.14 is: 602,494,958.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,123,761.72 : 1,040,674,471.38 = 436,597,396.14 : x
  2. Step 2: Convert to fraction form
    754,123,761.72/1,040,674,471.38 = 436,597,396.14/x
  3. Step 3: Cross multiply
    754,123,761.72x = 1,040,674,471.38 × 436,597,396.14
  4. Step 4: Simplify right side
    754,123,761.72x = 454,355,764,433,878,912
  5. Step 5: Solve for x
    x = 454,355,764,433,878,912/754,123,761.72
  6. Step 6: Final answer
    x = 602,494,958.38

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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.