Home / 325,936,016.80-488,904,025.20-249,408,512.80

Finding the Fourth Proportional to 325,936,016.80, 488,904,025.20 and 249,408,512.80

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Solution

The fourth proportional to 325,936,016.80, 488,904,025.20 and 249,408,512.80 is: 374,112,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,936,016.80 : 488,904,025.20 = 249,408,512.80 : x
  2. Step 2: Convert to fraction form
    325,936,016.80/488,904,025.20 = 249,408,512.80/x
  3. Step 3: Cross multiply
    325,936,016.80x = 488,904,025.20 × 249,408,512.80
  4. Step 4: Simplify right side
    325,936,016.80x = 121,936,825,827,065,728
  5. Step 5: Solve for x
    x = 121,936,825,827,065,728/325,936,016.80
  6. Step 6: Final answer
    x = 374,112,769.20

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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.