Home / 325,796,490.80-488,694,736.20-292,918,007.60

Finding the Fourth Proportional to 325,796,490.80, 488,694,736.20 and 292,918,007.60

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Solution

The fourth proportional to 325,796,490.80, 488,694,736.20 and 292,918,007.60 is: 439,377,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,796,490.80 : 488,694,736.20 = 292,918,007.60 : x
  2. Step 2: Convert to fraction form
    325,796,490.80/488,694,736.20 = 292,918,007.60/x
  3. Step 3: Cross multiply
    325,796,490.80x = 488,694,736.20 × 292,918,007.60
  4. Step 4: Simplify right side
    325,796,490.80x = 143,147,488,452,311,600
  5. Step 5: Solve for x
    x = 143,147,488,452,311,600/325,796,490.80
  6. Step 6: Final answer
    x = 439,377,011.40

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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.