Home / 21,160,561,167.31-29,201,579,177.37-11,645,112,916.73

Finding the Fourth Proportional to 21,160,561,167.31, 29,201,579,177.37 and 11,645,112,916.73

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Solution

The fourth proportional to 21,160,561,167.31, 29,201,579,177.37 and 11,645,112,916.73 is: 16,070,258,448.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,160,561,167.31 : 29,201,579,177.37 = 11,645,112,916.73 : x
  2. Step 2: Convert to fraction form
    21,160,561,167.31/29,201,579,177.37 = 11,645,112,916.73/x
  3. Step 3: Cross multiply
    21,160,561,167.31x = 29,201,579,177.37 × 11,645,112,916.73
  4. Step 4: Simplify right side
    21,160,561,167.31x = 340,055,686,867,141,787,648
  5. Step 5: Solve for x
    x = 340,055,686,867,141,787,648/21,160,561,167.31
  6. Step 6: Final answer
    x = 16,070,258,448.18

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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.