Home / 21,037,494,675.38-29,032,655,243.39-11,650,120,851.38

Finding the Fourth Proportional to 21,037,494,675.38, 29,032,655,243.39 and 11,650,120,851.38

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Solution

The fourth proportional to 21,037,494,675.38, 29,032,655,243.39 and 11,650,120,851.38 is: 16,077,672,148.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,037,494,675.38 : 29,032,655,243.39 = 11,650,120,851.38 : x
  2. Step 2: Convert to fraction form
    21,037,494,675.38/29,032,655,243.39 = 11,650,120,851.38/x
  3. Step 3: Cross multiply
    21,037,494,675.38x = 29,032,655,243.39 × 11,650,120,851.38
  4. Step 4: Simplify right side
    21,037,494,675.38x = 338,233,942,221,741,293,568
  5. Step 5: Solve for x
    x = 338,233,942,221,741,293,568/21,037,494,675.38
  6. Step 6: Final answer
    x = 16,077,672,148.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.