Home / 325,557,430.20-488,336,145.30-300,615,132.60

Finding the Fourth Proportional to 325,557,430.20, 488,336,145.30 and 300,615,132.60

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Solution

The fourth proportional to 325,557,430.20, 488,336,145.30 and 300,615,132.60 is: 450,922,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,557,430.20 : 488,336,145.30 = 300,615,132.60 : x
  2. Step 2: Convert to fraction form
    325,557,430.20/488,336,145.30 = 300,615,132.60/x
  3. Step 3: Cross multiply
    325,557,430.20x = 488,336,145.30 × 300,615,132.60
  4. Step 4: Simplify right side
    325,557,430.20x = 146,801,235,072,732,384
  5. Step 5: Solve for x
    x = 146,801,235,072,732,384/325,557,430.20
  6. Step 6: Final answer
    x = 450,922,698.90

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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.