Home / 337,141,808.40-505,145,842.20-279,321,027.60

Finding the Fourth Proportional to 337,141,808.40, 505,145,842.20 and 279,321,027.60

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Solution

The fourth proportional to 337,141,808.40, 505,145,842.20 and 279,321,027.60 is: 418,511,890.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,141,808.40 : 505,145,842.20 = 279,321,027.60 : x
  2. Step 2: Convert to fraction form
    337,141,808.40/505,145,842.20 = 279,321,027.60/x
  3. Step 3: Cross multiply
    337,141,808.40x = 505,145,842.20 × 279,321,027.60
  4. Step 4: Simplify right side
    337,141,808.40x = 141,097,855,731,171,456
  5. Step 5: Solve for x
    x = 141,097,855,731,171,456/337,141,808.40
  6. Step 6: Final answer
    x = 418,511,890.89

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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.