Home / 21,160,561,133.79-29,201,579,131.13-11,645,112,883.20

Finding the Fourth Proportional to 21,160,561,133.79, 29,201,579,131.13 and 11,645,112,883.20

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Solution

The fourth proportional to 21,160,561,133.79, 29,201,579,131.13 and 11,645,112,883.20 is: 16,070,258,401.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,160,561,133.79 : 29,201,579,131.13 = 11,645,112,883.20 : x
  2. Step 2: Convert to fraction form
    21,160,561,133.79/29,201,579,131.13 = 11,645,112,883.20/x
  3. Step 3: Cross multiply
    21,160,561,133.79x = 29,201,579,131.13 × 11,645,112,883.20
  4. Step 4: Simplify right side
    21,160,561,133.79x = 340,055,685,349,706,235,904
  5. Step 5: Solve for x
    x = 340,055,685,349,706,235,904/21,160,561,133.79
  6. Step 6: Final answer
    x = 16,070,258,401.92

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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.