Home / 20,799,401,696.64-28,703,229,975.36-11,283,953,446.08

Finding the Fourth Proportional to 20,799,401,696.64, 28,703,229,975.36 and 11,283,953,446.08

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Solution

The fourth proportional to 20,799,401,696.64, 28,703,229,975.36 and 11,283,953,446.08 is: 15,571,885,937.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,799,401,696.64 : 28,703,229,975.36 = 11,283,953,446.08 : x
  2. Step 2: Convert to fraction form
    20,799,401,696.64/28,703,229,975.36 = 11,283,953,446.08/x
  3. Step 3: Cross multiply
    20,799,401,696.64x = 28,703,229,975.36 × 11,283,953,446.08
  4. Step 4: Simplify right side
    20,799,401,696.64x = 323,885,910,794,090,250,240
  5. Step 5: Solve for x
    x = 323,885,910,794,090,250,240/20,799,401,696.64
  6. Step 6: Final answer
    x = 15,571,885,937.78

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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.