Home / 13,857,008,156.40-20,785,682,295.72-9,165,361,977.84

Finding the Fourth Proportional to 13,857,008,156.40, 20,785,682,295.72 and 9,165,361,977.84

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Solution

The fourth proportional to 13,857,008,156.40, 20,785,682,295.72 and 9,165,361,977.84 is: 13,748,155,449.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,857,008,156.40 : 20,785,682,295.72 = 9,165,361,977.84 : x
  2. Step 2: Convert to fraction form
    13,857,008,156.40/20,785,682,295.72 = 9,165,361,977.84/x
  3. Step 3: Cross multiply
    13,857,008,156.40x = 20,785,682,295.72 × 9,165,361,977.84
  4. Step 4: Simplify right side
    13,857,008,156.40x = 190,508,302,196,654,145,536
  5. Step 5: Solve for x
    x = 190,508,302,196,654,145,536/13,857,008,156.40
  6. Step 6: Final answer
    x = 13,748,155,449.32

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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.