Home / 325,827,779.10-488,741,668.65-222,515,648.70

Finding the Fourth Proportional to 325,827,779.10, 488,741,668.65 and 222,515,648.70

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Solution

The fourth proportional to 325,827,779.10, 488,741,668.65 and 222,515,648.70 is: 333,773,473.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,827,779.10 : 488,741,668.65 = 222,515,648.70 : x
  2. Step 2: Convert to fraction form
    325,827,779.10/488,741,668.65 = 222,515,648.70/x
  3. Step 3: Cross multiply
    325,827,779.10x = 488,741,668.65 × 222,515,648.70
  4. Step 4: Simplify right side
    325,827,779.10x = 108,752,669,446,375,200
  5. Step 5: Solve for x
    x = 108,752,669,446,375,200/325,827,779.10
  6. Step 6: Final answer
    x = 333,773,473.05

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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.