Home / 14,271,508,813.31-21,403,942,178.20-5,311,917,610.04

Finding the Fourth Proportional to 14,271,508,813.31, 21,403,942,178.20 and 5,311,917,610.04

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Solution

The fourth proportional to 14,271,508,813.31, 21,403,942,178.20 and 5,311,917,610.04 is: 7,966,640,308.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271,508,813.31 : 21,403,942,178.20 = 5,311,917,610.04 : x
  2. Step 2: Convert to fraction form
    14,271,508,813.31/21,403,942,178.20 = 5,311,917,610.04/x
  3. Step 3: Cross multiply
    14,271,508,813.31x = 21,403,942,178.20 × 5,311,917,610.04
  4. Step 4: Simplify right side
    14,271,508,813.31x = 113,695,977,380,715,266,048
  5. Step 5: Solve for x
    x = 113,695,977,380,715,266,048/14,271,508,813.31
  6. Step 6: Final answer
    x = 7,966,640,308.89

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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.