Home / 449,507,115.52-674,260,933.76-126,390,987.52

Finding the Fourth Proportional to 449,507,115.52, 674,260,933.76 and 126,390,987.52

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Solution

The fourth proportional to 449,507,115.52, 674,260,933.76 and 126,390,987.52 is: 189,586,554.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,507,115.52 : 674,260,933.76 = 126,390,987.52 : x
  2. Step 2: Convert to fraction form
    449,507,115.52/674,260,933.76 = 126,390,987.52/x
  3. Step 3: Cross multiply
    449,507,115.52x = 674,260,933.76 × 126,390,987.52
  4. Step 4: Simplify right side
    449,507,115.52x = 85,220,505,264,083,696
  5. Step 5: Solve for x
    x = 85,220,505,264,083,696/449,507,115.52
  6. Step 6: Final answer
    x = 189,586,554.52

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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.