Home / 21,160,561,167.17-29,201,579,177.17-11,645,112,916.58

Finding the Fourth Proportional to 21,160,561,167.17, 29,201,579,177.17 and 11,645,112,916.58

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Solution

The fourth proportional to 21,160,561,167.17, 29,201,579,177.17 and 11,645,112,916.58 is: 16,070,258,447.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,160,561,167.17 : 29,201,579,177.17 = 11,645,112,916.58 : x
  2. Step 2: Convert to fraction form
    21,160,561,167.17/29,201,579,177.17 = 11,645,112,916.58/x
  3. Step 3: Cross multiply
    21,160,561,167.17x = 29,201,579,177.17 × 11,645,112,916.58
  4. Step 4: Simplify right side
    21,160,561,167.17x = 340,055,686,860,718,473,216
  5. Step 5: Solve for x
    x = 340,055,686,860,718,473,216/21,160,561,167.17
  6. Step 6: Final answer
    x = 16,070,258,447.98

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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.