Home / 499,507,984.35-749,003,808.46-219,274,202.43

Finding the Fourth Proportional to 499,507,984.35, 749,003,808.46 and 219,274,202.43

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Solution

The fourth proportional to 499,507,984.35, 749,003,808.46 and 219,274,202.43 is: 328,797,972.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,507,984.35 : 749,003,808.46 = 219,274,202.43 : x
  2. Step 2: Convert to fraction form
    499,507,984.35/749,003,808.46 = 219,274,202.43/x
  3. Step 3: Cross multiply
    499,507,984.35x = 749,003,808.46 × 219,274,202.43
  4. Step 4: Simplify right side
    499,507,984.35x = 164,237,212,717,099,008
  5. Step 5: Solve for x
    x = 164,237,212,717,099,008/499,507,984.35
  6. Step 6: Final answer
    x = 328,797,972.93

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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.