Home / 8,263,814,858.20-12,395,722,287.30-7,942,399,341.40

Finding the Fourth Proportional to 8,263,814,858.20, 12,395,722,287.30 and 7,942,399,341.40

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Solution

The fourth proportional to 8,263,814,858.20, 12,395,722,287.30 and 7,942,399,341.40 is: 11,913,599,012.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263,814,858.20 : 12,395,722,287.30 = 7,942,399,341.40 : x
  2. Step 2: Convert to fraction form
    8,263,814,858.20/12,395,722,287.30 = 7,942,399,341.40/x
  3. Step 3: Cross multiply
    8,263,814,858.20x = 12,395,722,287.30 × 7,942,399,341.40
  4. Step 4: Simplify right side
    8,263,814,858.20x = 98,451,776,530,828,804,096
  5. Step 5: Solve for x
    x = 98,451,776,530,828,804,096/8,263,814,858.20
  6. Step 6: Final answer
    x = 11,913,599,012.10

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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.