Home / 325,632,612.20-488,448,918.30-323,365,130.60

Finding the Fourth Proportional to 325,632,612.20, 488,448,918.30 and 323,365,130.60

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Solution

The fourth proportional to 325,632,612.20, 488,448,918.30 and 323,365,130.60 is: 485,047,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,632,612.20 : 488,448,918.30 = 323,365,130.60 : x
  2. Step 2: Convert to fraction form
    325,632,612.20/488,448,918.30 = 323,365,130.60/x
  3. Step 3: Cross multiply
    325,632,612.20x = 488,448,918.30 × 323,365,130.60
  4. Step 4: Simplify right side
    325,632,612.20x = 157,947,348,257,508,256
  5. Step 5: Solve for x
    x = 157,947,348,257,508,256/325,632,612.20
  6. Step 6: Final answer
    x = 485,047,695.90

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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.