Home / 3,906,295,166.10-5,391,149,466.69-2,320,393,390.05

Finding the Fourth Proportional to 3,906,295,166.10, 5,391,149,466.69 and 2,320,393,390.05

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Solution

The fourth proportional to 3,906,295,166.10, 5,391,149,466.69 and 2,320,393,390.05 is: 3,202,417,394.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906,295,166.10 : 5,391,149,466.69 = 2,320,393,390.05 : x
  2. Step 2: Convert to fraction form
    3,906,295,166.10/5,391,149,466.69 = 2,320,393,390.05/x
  3. Step 3: Cross multiply
    3,906,295,166.10x = 5,391,149,466.69 × 2,320,393,390.05
  4. Step 4: Simplify right side
    3,906,295,166.10x = 12,509,587,587,279,058,944
  5. Step 5: Solve for x
    x = 12,509,587,587,279,058,944/3,906,295,166.10
  6. Step 6: Final answer
    x = 3,202,417,394.32

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Double scale
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1.5x scale

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.