Home / 12,399,834,414.80-18,599,751,622.20-4,536,633,378.80

Finding the Fourth Proportional to 12,399,834,414.80, 18,599,751,622.20 and 4,536,633,378.80

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Solution

The fourth proportional to 12,399,834,414.80, 18,599,751,622.20 and 4,536,633,378.80 is: 6,804,950,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,399,834,414.80 : 18,599,751,622.20 = 4,536,633,378.80 : x
  2. Step 2: Convert to fraction form
    12,399,834,414.80/18,599,751,622.20 = 4,536,633,378.80/x
  3. Step 3: Cross multiply
    12,399,834,414.80x = 18,599,751,622.20 × 4,536,633,378.80
  4. Step 4: Simplify right side
    12,399,834,414.80x = 84,380,254,046,661,967,872
  5. Step 5: Solve for x
    x = 84,380,254,046,661,967,872/12,399,834,414.80
  6. Step 6: Final answer
    x = 6,804,950,068.20

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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.