Home / 629,856,265.42-869,200,363.11-351,381,181.42

Finding the Fourth Proportional to 629,856,265.42, 869,200,363.11 and 351,381,181.42

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Solution

The fourth proportional to 629,856,265.42, 869,200,363.11 and 351,381,181.42 is: 484,905,314.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,265.42 : 869,200,363.11 = 351,381,181.42 : x
  2. Step 2: Convert to fraction form
    629,856,265.42/869,200,363.11 = 351,381,181.42/x
  3. Step 3: Cross multiply
    629,856,265.42x = 869,200,363.11 × 351,381,181.42
  4. Step 4: Simplify right side
    629,856,265.42x = 305,420,650,480,284,800
  5. Step 5: Solve for x
    x = 305,420,650,480,284,800/629,856,265.42
  6. Step 6: Final answer
    x = 484,905,314.51

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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.