Home / 21,037,494,677.64-29,032,655,246.49-11,650,120,853.64

Finding the Fourth Proportional to 21,037,494,677.64, 29,032,655,246.49 and 11,650,120,853.64

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Solution

The fourth proportional to 21,037,494,677.64, 29,032,655,246.49 and 11,650,120,853.64 is: 16,077,672,151.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,037,494,677.64 : 29,032,655,246.49 = 11,650,120,853.64 : x
  2. Step 2: Convert to fraction form
    21,037,494,677.64/29,032,655,246.49 = 11,650,120,853.64/x
  3. Step 3: Cross multiply
    21,037,494,677.64x = 29,032,655,246.49 × 11,650,120,853.64
  4. Step 4: Simplify right side
    21,037,494,677.64x = 338,233,942,323,673,890,816
  5. Step 5: Solve for x
    x = 338,233,942,323,673,890,816/21,037,494,677.64
  6. Step 6: Final answer
    x = 16,077,672,151.86

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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.