Home / 325,632,403.20-488,448,604.80-323,364,921.60

Finding the Fourth Proportional to 325,632,403.20, 488,448,604.80 and 323,364,921.60

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Solution

The fourth proportional to 325,632,403.20, 488,448,604.80 and 323,364,921.60 is: 485,047,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,632,403.20 : 488,448,604.80 = 323,364,921.60 : x
  2. Step 2: Convert to fraction form
    325,632,403.20/488,448,604.80 = 323,364,921.60/x
  3. Step 3: Cross multiply
    325,632,403.20x = 488,448,604.80 × 323,364,921.60
  4. Step 4: Simplify right side
    325,632,403.20x = 157,947,144,796,781,408
  5. Step 5: Solve for x
    x = 157,947,144,796,781,408/325,632,403.20
  6. Step 6: Final answer
    x = 485,047,382.40

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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.