Home / 382,610,983,684.28-528,003,137,291.31-206,627,432,685.91

Finding the Fourth Proportional to 382,610,983,684.28, 528,003,137,291.31 and 206,627,432,685.91

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Solution

The fourth proportional to 382,610,983,684.28, 528,003,137,291.31 and 206,627,432,685.91 is: 285,145,846,201.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,610,983,684.28 : 528,003,137,291.31 = 206,627,432,685.91 : x
  2. Step 2: Convert to fraction form
    382,610,983,684.28/528,003,137,291.31 = 206,627,432,685.91/x
  3. Step 3: Cross multiply
    382,610,983,684.28x = 528,003,137,291.31 × 206,627,432,685.91
  4. Step 4: Simplify right side
    382,610,983,684.28x = 109,099,932,708,609,449,787,392
  5. Step 5: Solve for x
    x = 109,099,932,708,609,449,787,392/382,610,983,684.28
  6. Step 6: Final answer
    x = 285,145,846,201.41

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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.