Home / 766,696,640-1,149,584,640.22-351,653,553.68

Finding the Fourth Proportional to 766,696,640, 1,149,584,640.22 and 351,653,553.68

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Solution

The fourth proportional to 766,696,640, 1,149,584,640.22 and 351,653,553.68 is: 527,269,199.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,696,640 : 1,149,584,640.22 = 351,653,553.68 : x
  2. Step 2: Convert to fraction form
    766,696,640/1,149,584,640.22 = 351,653,553.68/x
  3. Step 3: Cross multiply
    766,696,640x = 1,149,584,640.22 × 351,653,553.68
  4. Step 4: Simplify right side
    766,696,640x = 404,255,523,989,307,264
  5. Step 5: Solve for x
    x = 404,255,523,989,307,264/766,696,640
  6. Step 6: Final answer
    x = 527,269,199.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.