Home / 352,380,915.28-528,028,122.12-188,640,400.24

Finding the Fourth Proportional to 352,380,915.28, 528,028,122.12 and 188,640,400.24

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Solution

The fourth proportional to 352,380,915.28, 528,028,122.12 and 188,640,400.24 is: 282,669,781.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,380,915.28 : 528,028,122.12 = 188,640,400.24 : x
  2. Step 2: Convert to fraction form
    352,380,915.28/528,028,122.12 = 188,640,400.24/x
  3. Step 3: Cross multiply
    352,380,915.28x = 528,028,122.12 × 188,640,400.24
  4. Step 4: Simplify right side
    352,380,915.28x = 99,607,436,294,692,400
  5. Step 5: Solve for x
    x = 99,607,436,294,692,400/352,380,915.28
  6. Step 6: Final answer
    x = 282,669,781.41

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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.