Home / 13,173,589,321,856-18,179,994,209,257-7,320,943,253,457.40

Finding the Fourth Proportional to 13,173,589,321,856, 18,179,994,209,257 and 7,320,943,253,457.40

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Solution

The fourth proportional to 13,173,589,321,856, 18,179,994,209,257 and 7,320,943,253,457.40 is: 10,103,146,735,669.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173,589,321,856 : 18,179,994,209,257 = 7,320,943,253,457.40 : x
  2. Step 2: Convert to fraction form
    13,173,589,321,856/18,179,994,209,257 = 7,320,943,253,457.40/x
  3. Step 3: Cross multiply
    13,173,589,321,856x = 18,179,994,209,257 × 7,320,943,253,457.40
  4. Step 4: Simplify right side
    13,173,589,321,856x = 133,094,705,954,154,642,816,368,640
  5. Step 5: Solve for x
    x = 133,094,705,954,154,642,816,368,640/13,173,589,321,856
  6. Step 6: Final answer
    x = 10,103,146,735,669.09

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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.