Home / 325,828,009.60-488,742,014.40-222,515,879.20

Finding the Fourth Proportional to 325,828,009.60, 488,742,014.40 and 222,515,879.20

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Solution

The fourth proportional to 325,828,009.60, 488,742,014.40 and 222,515,879.20 is: 333,773,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,828,009.60 : 488,742,014.40 = 222,515,879.20 : x
  2. Step 2: Convert to fraction form
    325,828,009.60/488,742,014.40 = 222,515,879.20/x
  3. Step 3: Cross multiply
    325,828,009.60x = 488,742,014.40 × 222,515,879.20
  4. Step 4: Simplify right side
    325,828,009.60x = 108,752,859,036,195,056
  5. Step 5: Solve for x
    x = 108,752,859,036,195,056/325,828,009.60
  6. Step 6: Final answer
    x = 333,773,818.80

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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.