Home / 464,115,821.22-640,491,947.82-255,277,443.96

Finding the Fourth Proportional to 464,115,821.22, 640,491,947.82 and 255,277,443.96

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Solution

The fourth proportional to 464,115,821.22, 640,491,947.82 and 255,277,443.96 is: 352,289,536.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,115,821.22 : 640,491,947.82 = 255,277,443.96 : x
  2. Step 2: Convert to fraction form
    464,115,821.22/640,491,947.82 = 255,277,443.96/x
  3. Step 3: Cross multiply
    464,115,821.22x = 640,491,947.82 × 255,277,443.96
  4. Step 4: Simplify right side
    464,115,821.22x = 163,503,147,316,451,328
  5. Step 5: Solve for x
    x = 163,503,147,316,451,328/464,115,821.22
  6. Step 6: Final answer
    x = 352,289,536.02

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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.