Home / 325,815,008.48-488,722,512.72-325,815,008.48

Finding the Fourth Proportional to 325,815,008.48, 488,722,512.72 and 325,815,008.48

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Solution

The fourth proportional to 325,815,008.48, 488,722,512.72 and 325,815,008.48 is: 488,722,512.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,815,008.48 : 488,722,512.72 = 325,815,008.48 : x
  2. Step 2: Convert to fraction form
    325,815,008.48/488,722,512.72 = 325,815,008.48/x
  3. Step 3: Cross multiply
    325,815,008.48x = 488,722,512.72 × 325,815,008.48
  4. Step 4: Simplify right side
    325,815,008.48x = 159,233,129,623,790,112
  5. Step 5: Solve for x
    x = 159,233,129,623,790,112/325,815,008.48
  6. Step 6: Final answer
    x = 488,722,512.72

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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.