Home / 541,309,018.32-747,007,183.56-293,790,375.12

Finding the Fourth Proportional to 541,309,018.32, 747,007,183.56 and 293,790,375.12

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Solution

The fourth proportional to 541,309,018.32, 747,007,183.56 and 293,790,375.12 is: 405,431,118.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,309,018.32 : 747,007,183.56 = 293,790,375.12 : x
  2. Step 2: Convert to fraction form
    541,309,018.32/747,007,183.56 = 293,790,375.12/x
  3. Step 3: Cross multiply
    541,309,018.32x = 747,007,183.56 × 293,790,375.12
  4. Step 4: Simplify right side
    541,309,018.32x = 219,463,520,675,427,072
  5. Step 5: Solve for x
    x = 219,463,520,675,427,072/541,309,018.32
  6. Step 6: Final answer
    x = 405,431,118.36

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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.