Home / 471,518,786.89-645,983,042.92-453,846,370.41

Finding the Fourth Proportional to 471,518,786.89, 645,983,042.92 and 453,846,370.41

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Solution

The fourth proportional to 471,518,786.89, 645,983,042.92 and 453,846,370.41 is: 621,771,745.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,518,786.89 : 645,983,042.92 = 453,846,370.41 : x
  2. Step 2: Convert to fraction form
    471,518,786.89/645,983,042.92 = 453,846,370.41/x
  3. Step 3: Cross multiply
    471,518,786.89x = 645,983,042.92 × 453,846,370.41
  4. Step 4: Simplify right side
    471,518,786.89x = 293,177,059,375,789,952
  5. Step 5: Solve for x
    x = 293,177,059,375,789,952/471,518,786.89
  6. Step 6: Final answer
    x = 621,771,745.95

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.