Home / 20,382,903,453,216-28,128,405,689,552-11,007,700,081,270

Finding the Fourth Proportional to 20,382,903,453,216, 28,128,405,689,552 and 11,007,700,081,270

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Solution

The fourth proportional to 20,382,903,453,216, 28,128,405,689,552 and 11,007,700,081,270 is: 15,190,625,531,124.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,382,903,453,216 : 28,128,405,689,552 = 11,007,700,081,270 : x
  2. Step 2: Convert to fraction form
    20,382,903,453,216/28,128,405,689,552 = 11,007,700,081,270/x
  3. Step 3: Cross multiply
    20,382,903,453,216x = 28,128,405,689,552 × 11,007,700,081,270
  4. Step 4: Simplify right side
    20,382,903,453,216x = 309,629,053,594,877,086,807,359,488
  5. Step 5: Solve for x
    x = 309,629,053,594,877,086,807,359,488/20,382,903,453,216
  6. Step 6: Final answer
    x = 15,190,625,531,124.91

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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.