Home / 378,478,535.57-567,714,018.58-119,693,799.89

Finding the Fourth Proportional to 378,478,535.57, 567,714,018.58 and 119,693,799.89

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Solution

The fourth proportional to 378,478,535.57, 567,714,018.58 and 119,693,799.89 is: 179,539,502.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,478,535.57 : 567,714,018.58 = 119,693,799.89 : x
  2. Step 2: Convert to fraction form
    378,478,535.57/567,714,018.58 = 119,693,799.89/x
  3. Step 3: Cross multiply
    378,478,535.57x = 567,714,018.58 × 119,693,799.89
  4. Step 4: Simplify right side
    378,478,535.57x = 67,951,848,134,662,264
  5. Step 5: Solve for x
    x = 67,951,848,134,662,264/378,478,535.57
  6. Step 6: Final answer
    x = 179,539,502.90

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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.