Home / 21,037,494,679.14-29,032,655,248.56-11,650,120,855.14

Finding the Fourth Proportional to 21,037,494,679.14, 29,032,655,248.56 and 11,650,120,855.14

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Solution

The fourth proportional to 21,037,494,679.14, 29,032,655,248.56 and 11,650,120,855.14 is: 16,077,672,153.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,037,494,679.14 : 29,032,655,248.56 = 11,650,120,855.14 : x
  2. Step 2: Convert to fraction form
    21,037,494,679.14/29,032,655,248.56 = 11,650,120,855.14/x
  3. Step 3: Cross multiply
    21,037,494,679.14x = 29,032,655,248.56 × 11,650,120,855.14
  4. Step 4: Simplify right side
    21,037,494,679.14x = 338,233,942,391,338,631,168
  5. Step 5: Solve for x
    x = 338,233,942,391,338,631,168/21,037,494,679.14
  6. Step 6: Final answer
    x = 16,077,672,153.93

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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.