Home / 414,055,843.20-621,083,764.80-126,841,507.20

Finding the Fourth Proportional to 414,055,843.20, 621,083,764.80 and 126,841,507.20

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Solution

The fourth proportional to 414,055,843.20, 621,083,764.80 and 126,841,507.20 is: 190,262,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,055,843.20 : 621,083,764.80 = 126,841,507.20 : x
  2. Step 2: Convert to fraction form
    414,055,843.20/621,083,764.80 = 126,841,507.20/x
  3. Step 3: Cross multiply
    414,055,843.20x = 621,083,764.80 × 126,841,507.20
  4. Step 4: Simplify right side
    414,055,843.20x = 78,779,200,824,682,304
  5. Step 5: Solve for x
    x = 78,779,200,824,682,304/414,055,843.20
  6. Step 6: Final answer
    x = 190,262,260.80

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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.