Home / 378,478,525.32-567,714,003.21-119,693,789.64

Finding the Fourth Proportional to 378,478,525.32, 567,714,003.21 and 119,693,789.64

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Solution

The fourth proportional to 378,478,525.32, 567,714,003.21 and 119,693,789.64 is: 179,539,487.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,478,525.32 : 567,714,003.21 = 119,693,789.64 : x
  2. Step 2: Convert to fraction form
    378,478,525.32/567,714,003.21 = 119,693,789.64/x
  3. Step 3: Cross multiply
    378,478,525.32x = 567,714,003.21 × 119,693,789.64
  4. Step 4: Simplify right side
    378,478,525.32x = 67,951,840,475,900,032
  5. Step 5: Solve for x
    x = 67,951,840,475,900,032/378,478,525.32
  6. Step 6: Final answer
    x = 179,539,487.53

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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.