Home / 405,120,071.06-559,068,381.84-219,481,086.75

Finding the Fourth Proportional to 405,120,071.06, 559,068,381.84 and 219,481,086.75

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Solution

The fourth proportional to 405,120,071.06, 559,068,381.84 and 219,481,086.75 is: 302,885,353.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,120,071.06 : 559,068,381.84 = 219,481,086.75 : x
  2. Step 2: Convert to fraction form
    405,120,071.06/559,068,381.84 = 219,481,086.75/x
  3. Step 3: Cross multiply
    405,120,071.06x = 559,068,381.84 × 219,481,086.75
  4. Step 4: Simplify right side
    405,120,071.06x = 122,704,936,011,298,032
  5. Step 5: Solve for x
    x = 122,704,936,011,298,032/405,120,071.06
  6. Step 6: Final answer
    x = 302,885,353.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.