Home / 698,893,173.97-964,492,767.26-385,647,560.17

Finding the Fourth Proportional to 698,893,173.97, 964,492,767.26 and 385,647,560.17

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Solution

The fourth proportional to 698,893,173.97, 964,492,767.26 and 385,647,560.17 is: 532,204,772.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,893,173.97 : 964,492,767.26 = 385,647,560.17 : x
  2. Step 2: Convert to fraction form
    698,893,173.97/964,492,767.26 = 385,647,560.17/x
  3. Step 3: Cross multiply
    698,893,173.97x = 964,492,767.26 × 385,647,560.17
  4. Step 4: Simplify right side
    698,893,173.97x = 371,954,282,495,430,656
  5. Step 5: Solve for x
    x = 371,954,282,495,430,656/698,893,173.97
  6. Step 6: Final answer
    x = 532,204,772.27

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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.