Home / 376,167,392.97-519,048,717.13-217,412,299.21

Finding the Fourth Proportional to 376,167,392.97, 519,048,717.13 and 217,412,299.21

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Solution

The fourth proportional to 376,167,392.97, 519,048,717.13 and 217,412,299.21 is: 299,992,974.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,167,392.97 : 519,048,717.13 = 217,412,299.21 : x
  2. Step 2: Convert to fraction form
    376,167,392.97/519,048,717.13 = 217,412,299.21/x
  3. Step 3: Cross multiply
    376,167,392.97x = 519,048,717.13 × 217,412,299.21
  4. Step 4: Simplify right side
    376,167,392.97x = 112,847,574,995,678,944
  5. Step 5: Solve for x
    x = 112,847,574,995,678,944/376,167,392.97
  6. Step 6: Final answer
    x = 299,992,974.15

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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.