Home / 352,542,809.20-528,898,194.60-170,640,396.40

Finding the Fourth Proportional to 352,542,809.20, 528,898,194.60 and 170,640,396.40

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Solution

The fourth proportional to 352,542,809.20, 528,898,194.60 and 170,640,396.40 is: 256,001,243.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,542,809.20 : 528,898,194.60 = 170,640,396.40 : x
  2. Step 2: Convert to fraction form
    352,542,809.20/528,898,194.60 = 170,640,396.40/x
  3. Step 3: Cross multiply
    352,542,809.20x = 528,898,194.60 × 170,640,396.40
  4. Step 4: Simplify right side
    352,542,809.20x = 90,251,397,581,788,352
  5. Step 5: Solve for x
    x = 90,251,397,581,788,352/352,542,809.20
  6. Step 6: Final answer
    x = 256,001,243.61

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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.