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Finding the Fourth Proportional to 541,309,020.32, 747,007,186.32 and 293,790,377.12

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Solution

The fourth proportional to 541,309,020.32, 747,007,186.32 and 293,790,377.12 is: 405,431,121.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,309,020.32 : 747,007,186.32 = 293,790,377.12 : x
  2. Step 2: Convert to fraction form
    541,309,020.32/747,007,186.32 = 293,790,377.12/x
  3. Step 3: Cross multiply
    541,309,020.32x = 747,007,186.32 × 293,790,377.12
  4. Step 4: Simplify right side
    541,309,020.32x = 219,463,522,980,302,912
  5. Step 5: Solve for x
    x = 219,463,522,980,302,912/541,309,020.32
  6. Step 6: Final answer
    x = 405,431,121.12

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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.