Home / 499,507,907.57-749,003,693.28-219,274,125.65

Finding the Fourth Proportional to 499,507,907.57, 749,003,693.28 and 219,274,125.65

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Solution

The fourth proportional to 499,507,907.57, 749,003,693.28 and 219,274,125.65 is: 328,797,857.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,507,907.57 : 749,003,693.28 = 219,274,125.65 : x
  2. Step 2: Convert to fraction form
    499,507,907.57/749,003,693.28 = 219,274,125.65/x
  3. Step 3: Cross multiply
    499,507,907.57x = 749,003,693.28 × 219,274,125.65
  4. Step 4: Simplify right side
    499,507,907.57x = 164,237,129,948,847,776
  5. Step 5: Solve for x
    x = 164,237,129,948,847,776/499,507,907.57
  6. Step 6: Final answer
    x = 328,797,857.77

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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.