Home / 698,893,171.22-964,492,763.46-385,647,557.42

Finding the Fourth Proportional to 698,893,171.22, 964,492,763.46 and 385,647,557.42

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Solution

The fourth proportional to 698,893,171.22, 964,492,763.46 and 385,647,557.42 is: 532,204,768.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,893,171.22 : 964,492,763.46 = 385,647,557.42 : x
  2. Step 2: Convert to fraction form
    698,893,171.22/964,492,763.46 = 385,647,557.42/x
  3. Step 3: Cross multiply
    698,893,171.22x = 964,492,763.46 × 385,647,557.42
  4. Step 4: Simplify right side
    698,893,171.22x = 371,954,278,377,614,848
  5. Step 5: Solve for x
    x = 371,954,278,377,614,848/698,893,171.22
  6. Step 6: Final answer
    x = 532,204,768.47

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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.