Home / 21,160,561,170.81-29,201,579,182.20-11,645,112,920.23

Finding the Fourth Proportional to 21,160,561,170.81, 29,201,579,182.20 and 11,645,112,920.23

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Solution

The fourth proportional to 21,160,561,170.81, 29,201,579,182.20 and 11,645,112,920.23 is: 16,070,258,453.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,160,561,170.81 : 29,201,579,182.20 = 11,645,112,920.23 : x
  2. Step 2: Convert to fraction form
    21,160,561,170.81/29,201,579,182.20 = 11,645,112,920.23/x
  3. Step 3: Cross multiply
    21,160,561,170.81x = 29,201,579,182.20 × 11,645,112,920.23
  4. Step 4: Simplify right side
    21,160,561,170.81x = 340,055,687,025,756,602,368
  5. Step 5: Solve for x
    x = 340,055,687,025,756,602,368/21,160,561,170.81
  6. Step 6: Final answer
    x = 16,070,258,453.02

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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.