Home / 325,572,021.60-488,358,032.40-222,259,891.20

Finding the Fourth Proportional to 325,572,021.60, 488,358,032.40 and 222,259,891.20

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Solution

The fourth proportional to 325,572,021.60, 488,358,032.40 and 222,259,891.20 is: 333,389,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,572,021.60 : 488,358,032.40 = 222,259,891.20 : x
  2. Step 2: Convert to fraction form
    325,572,021.60/488,358,032.40 = 222,259,891.20/x
  3. Step 3: Cross multiply
    325,572,021.60x = 488,358,032.40 × 222,259,891.20
  4. Step 4: Simplify right side
    325,572,021.60x = 108,542,403,147,870,064
  5. Step 5: Solve for x
    x = 108,542,403,147,870,064/325,572,021.60
  6. Step 6: Final answer
    x = 333,389,836.80

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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.