Home / 20,382,903,453,215-28,128,405,689,551-11,007,700,081,269

Finding the Fourth Proportional to 20,382,903,453,215, 28,128,405,689,551 and 11,007,700,081,269

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Solution

The fourth proportional to 20,382,903,453,215, 28,128,405,689,551 and 11,007,700,081,269 is: 15,190,625,531,123.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,382,903,453,215 : 28,128,405,689,551 = 11,007,700,081,269 : x
  2. Step 2: Convert to fraction form
    20,382,903,453,215/28,128,405,689,551 = 11,007,700,081,269/x
  3. Step 3: Cross multiply
    20,382,903,453,215x = 28,128,405,689,551 × 11,007,700,081,269
  4. Step 4: Simplify right side
    20,382,903,453,215x = 309,629,053,594,837,916,705,619,968
  5. Step 5: Solve for x
    x = 309,629,053,594,837,916,705,619,968/20,382,903,453,215
  6. Step 6: Final answer
    x = 15,190,625,531,123.73

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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.