Home / 13,173,589,321,855-18,179,994,209,256-7,320,943,253,456.40

Finding the Fourth Proportional to 13,173,589,321,855, 18,179,994,209,256 and 7,320,943,253,456.40

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Solution

The fourth proportional to 13,173,589,321,855, 18,179,994,209,256 and 7,320,943,253,456.40 is: 10,103,146,735,667.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173,589,321,855 : 18,179,994,209,256 = 7,320,943,253,456.40 : x
  2. Step 2: Convert to fraction form
    13,173,589,321,855/18,179,994,209,256 = 7,320,943,253,456.40/x
  3. Step 3: Cross multiply
    13,173,589,321,855x = 18,179,994,209,256 × 7,320,943,253,456.40
  4. Step 4: Simplify right side
    13,173,589,321,855x = 133,094,705,954,129,147,890,499,584
  5. Step 5: Solve for x
    x = 133,094,705,954,129,147,890,499,584/13,173,589,321,855
  6. Step 6: Final answer
    x = 10,103,146,735,667.92

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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.