Home / 325,835,750.40-488,753,625.60-188,086,243.20

Finding the Fourth Proportional to 325,835,750.40, 488,753,625.60 and 188,086,243.20

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Solution

The fourth proportional to 325,835,750.40, 488,753,625.60 and 188,086,243.20 is: 282,129,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,835,750.40 : 488,753,625.60 = 188,086,243.20 : x
  2. Step 2: Convert to fraction form
    325,835,750.40/488,753,625.60 = 188,086,243.20/x
  3. Step 3: Cross multiply
    325,835,750.40x = 488,753,625.60 × 188,086,243.20
  4. Step 4: Simplify right side
    325,835,750.40x = 91,927,833,289,483,344
  5. Step 5: Solve for x
    x = 91,927,833,289,483,344/325,835,750.40
  6. Step 6: Final answer
    x = 282,129,364.80

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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.