Home / 412,851,459.45-619,277,189.18-229,185,449.85

Finding the Fourth Proportional to 412,851,459.45, 619,277,189.18 and 229,185,449.85

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Solution

The fourth proportional to 412,851,459.45, 619,277,189.18 and 229,185,449.85 is: 343,778,174.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,851,459.45 : 619,277,189.18 = 229,185,449.85 : x
  2. Step 2: Convert to fraction form
    412,851,459.45/619,277,189.18 = 229,185,449.85/x
  3. Step 3: Cross multiply
    412,851,459.45x = 619,277,189.18 × 229,185,449.85
  4. Step 4: Simplify right side
    412,851,459.45x = 141,929,321,182,915,904
  5. Step 5: Solve for x
    x = 141,929,321,182,915,904/412,851,459.45
  6. Step 6: Final answer
    x = 343,778,174.78

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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.