Home / 463,187,615.19-639,210,014.36-251,503,367.88

Finding the Fourth Proportional to 463,187,615.19, 639,210,014.36 and 251,503,367.88

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Solution

The fourth proportional to 463,187,615.19, 639,210,014.36 and 251,503,367.88 is: 347,080,677.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,187,615.19 : 639,210,014.36 = 251,503,367.88 : x
  2. Step 2: Convert to fraction form
    463,187,615.19/639,210,014.36 = 251,503,367.88/x
  3. Step 3: Cross multiply
    463,187,615.19x = 639,210,014.36 × 251,503,367.88
  4. Step 4: Simplify right side
    463,187,615.19x = 160,763,471,396,245,824
  5. Step 5: Solve for x
    x = 160,763,471,396,245,824/463,187,615.19
  6. Step 6: Final answer
    x = 347,080,677.73

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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.