Home / 8,120,659,135.23-12,178,625,612.58-3,145,271,292.36

Finding the Fourth Proportional to 8,120,659,135.23, 12,178,625,612.58 and 3,145,271,292.36

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Solution

The fourth proportional to 8,120,659,135.23, 12,178,625,612.58 and 3,145,271,292.36 is: 4,716,991,672.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120,659,135.23 : 12,178,625,612.58 = 3,145,271,292.36 : x
  2. Step 2: Convert to fraction form
    8,120,659,135.23/12,178,625,612.58 = 3,145,271,292.36/x
  3. Step 3: Cross multiply
    8,120,659,135.23x = 12,178,625,612.58 × 3,145,271,292.36
  4. Step 4: Simplify right side
    8,120,659,135.23x = 38,305,081,519,648,096,256
  5. Step 5: Solve for x
    x = 38,305,081,519,648,096,256/8,120,659,135.23
  6. Step 6: Final answer
    x = 4,716,991,672.94

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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.