Home / 375,763,376,846.43-518,553,544,471.88-206,790,648,014.43

Finding the Fourth Proportional to 375,763,376,846.43, 518,553,544,471.88 and 206,790,648,014.43

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Solution

The fourth proportional to 375,763,376,846.43, 518,553,544,471.88 and 206,790,648,014.43 is: 285,371,140,720.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,763,376,846.43 : 518,553,544,471.88 = 206,790,648,014.43 : x
  2. Step 2: Convert to fraction form
    375,763,376,846.43/518,553,544,471.88 = 206,790,648,014.43/x
  3. Step 3: Cross multiply
    375,763,376,846.43x = 518,553,544,471.88 × 206,790,648,014.43
  4. Step 4: Simplify right side
    375,763,376,846.43x = 107,232,023,491,519,608,520,704
  5. Step 5: Solve for x
    x = 107,232,023,491,519,608,520,704/375,763,376,846.43
  6. Step 6: Final answer
    x = 285,371,140,720.15

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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.