Home / 446,488,673.20-669,733,009.80-325,556,321.20

Finding the Fourth Proportional to 446,488,673.20, 669,733,009.80 and 325,556,321.20

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Solution

The fourth proportional to 446,488,673.20, 669,733,009.80 and 325,556,321.20 is: 488,334,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,488,673.20 : 669,733,009.80 = 325,556,321.20 : x
  2. Step 2: Convert to fraction form
    446,488,673.20/669,733,009.80 = 325,556,321.20/x
  3. Step 3: Cross multiply
    446,488,673.20x = 669,733,009.80 × 325,556,321.20
  4. Step 4: Simplify right side
    446,488,673.20x = 218,035,814,856,691,520
  5. Step 5: Solve for x
    x = 218,035,814,856,691,520/446,488,673.20
  6. Step 6: Final answer
    x = 488,334,481.80

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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.