Home / 21,037,489,696.88-29,032,648,373.05-11,650,115,872.88

Finding the Fourth Proportional to 21,037,489,696.88, 29,032,648,373.05 and 11,650,115,872.88

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Solution

The fourth proportional to 21,037,489,696.88, 29,032,648,373.05 and 11,650,115,872.88 is: 16,077,665,278.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,037,489,696.88 : 29,032,648,373.05 = 11,650,115,872.88 : x
  2. Step 2: Convert to fraction form
    21,037,489,696.88/29,032,648,373.05 = 11,650,115,872.88/x
  3. Step 3: Cross multiply
    21,037,489,696.88x = 29,032,648,373.05 × 11,650,115,872.88
  4. Step 4: Simplify right side
    21,037,489,696.88x = 338,233,717,642,445,062,144
  5. Step 5: Solve for x
    x = 338,233,717,642,445,062,144/21,037,489,696.88
  6. Step 6: Final answer
    x = 16,077,665,278.32

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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.