Home / 325,970,422.40-488,955,633.60-83,633,326.40

Finding the Fourth Proportional to 325,970,422.40, 488,955,633.60 and 83,633,326.40

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Solution

The fourth proportional to 325,970,422.40, 488,955,633.60 and 83,633,326.40 is: 125,449,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,970,422.40 : 488,955,633.60 = 83,633,326.40 : x
  2. Step 2: Convert to fraction form
    325,970,422.40/488,955,633.60 = 83,633,326.40/x
  3. Step 3: Cross multiply
    325,970,422.40x = 488,955,633.60 × 83,633,326.40
  4. Step 4: Simplify right side
    325,970,422.40x = 40,892,986,099,987,608
  5. Step 5: Solve for x
    x = 40,892,986,099,987,608/325,970,422.40
  6. Step 6: Final answer
    x = 125,449,989.60

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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.