Home / 19,857,058,906.40-29,785,588,359.60-11,585,286,029.60

Finding the Fourth Proportional to 19,857,058,906.40, 29,785,588,359.60 and 11,585,286,029.60

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Solution

The fourth proportional to 19,857,058,906.40, 29,785,588,359.60 and 11,585,286,029.60 is: 17,377,929,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,857,058,906.40 : 29,785,588,359.60 = 11,585,286,029.60 : x
  2. Step 2: Convert to fraction form
    19,857,058,906.40/29,785,588,359.60 = 11,585,286,029.60/x
  3. Step 3: Cross multiply
    19,857,058,906.40x = 29,785,588,359.60 × 11,585,286,029.60
  4. Step 4: Simplify right side
    19,857,058,906.40x = 345,074,560,705,890,222,080
  5. Step 5: Solve for x
    x = 345,074,560,705,890,222,080/19,857,058,906.40
  6. Step 6: Final answer
    x = 17,377,929,044.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.