Home / 13,173,589,321,863-18,179,994,209,264-7,320,943,253,464

Finding the Fourth Proportional to 13,173,589,321,863, 18,179,994,209,264 and 7,320,943,253,464

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Solution

The fourth proportional to 13,173,589,321,863, 18,179,994,209,264 and 7,320,943,253,464 is: 10,103,146,735,676.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173,589,321,863 : 18,179,994,209,264 = 7,320,943,253,464 : x
  2. Step 2: Convert to fraction form
    13,173,589,321,863/18,179,994,209,264 = 7,320,943,253,464/x
  3. Step 3: Cross multiply
    13,173,589,321,863x = 18,179,994,209,264 × 7,320,943,253,464
  4. Step 4: Simplify right side
    13,173,589,321,863x = 133,094,705,954,325,874,572,525,568
  5. Step 5: Solve for x
    x = 133,094,705,954,325,874,572,525,568/13,173,589,321,863
  6. Step 6: Final answer
    x = 10,103,146,735,676.72

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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.