Home / 29,165,541,917.80-43,749,507,270.30-8,486,109,725.80

Finding the Fourth Proportional to 29,165,541,917.80, 43,749,507,270.30 and 8,486,109,725.80

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Solution

The fourth proportional to 29,165,541,917.80, 43,749,507,270.30 and 8,486,109,725.80 is: 12,729,512,113.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,165,541,917.80 : 43,749,507,270.30 = 8,486,109,725.80 : x
  2. Step 2: Convert to fraction form
    29,165,541,917.80/43,749,507,270.30 = 8,486,109,725.80/x
  3. Step 3: Cross multiply
    29,165,541,917.80x = 43,749,507,270.30 × 8,486,109,725.80
  4. Step 4: Simplify right side
    29,165,541,917.80x = 371,263,119,145,450,668,032
  5. Step 5: Solve for x
    x = 371,263,119,145,450,668,032/29,165,541,917.80
  6. Step 6: Final answer
    x = 12,729,512,113.71

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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.