Home / 15,857,260,279.36-21,876,825,993.02-9,079,456,845.76

Finding the Fourth Proportional to 15,857,260,279.36, 21,876,825,993.02 and 9,079,456,845.76

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Solution

The fourth proportional to 15,857,260,279.36, 21,876,825,993.02 and 9,079,456,845.76 is: 12,526,104,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,857,260,279.36 : 21,876,825,993.02 = 9,079,456,845.76 : x
  2. Step 2: Convert to fraction form
    15,857,260,279.36/21,876,825,993.02 = 9,079,456,845.76/x
  3. Step 3: Cross multiply
    15,857,260,279.36x = 21,876,825,993.02 × 9,079,456,845.76
  4. Step 4: Simplify right side
    15,857,260,279.36x = 198,629,697,525,752,889,344
  5. Step 5: Solve for x
    x = 198,629,697,525,752,889,344/15,857,260,279.36
  6. Step 6: Final answer
    x = 12,526,104,385.40

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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.