Home / 3,119,081,630.80-4,678,622,446.20-2,629,305,605.20

Finding the Fourth Proportional to 3,119,081,630.80, 4,678,622,446.20 and 2,629,305,605.20

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Solution

The fourth proportional to 3,119,081,630.80, 4,678,622,446.20 and 2,629,305,605.20 is: 3,943,958,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,081,630.80 : 4,678,622,446.20 = 2,629,305,605.20 : x
  2. Step 2: Convert to fraction form
    3,119,081,630.80/4,678,622,446.20 = 2,629,305,605.20/x
  3. Step 3: Cross multiply
    3,119,081,630.80x = 4,678,622,446.20 × 2,629,305,605.20
  4. Step 4: Simplify right side
    3,119,081,630.80x = 12,301,528,222,408,194,048
  5. Step 5: Solve for x
    x = 12,301,528,222,408,194,048/3,119,081,630.80
  6. Step 6: Final answer
    x = 3,943,958,407.80

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Double scale
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1.5x scale

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.