Home / 20,979,487,736,438-28,949,750,167,798-11,604,083,481,941

Finding the Fourth Proportional to 20,979,487,736,438, 28,949,750,167,798 and 11,604,083,481,941

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Solution

The fourth proportional to 20,979,487,736,438, 28,949,750,167,798 and 11,604,083,481,941 is: 16,012,560,551,943.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,979,487,736,438 : 28,949,750,167,798 = 11,604,083,481,941 : x
  2. Step 2: Convert to fraction form
    20,979,487,736,438/28,949,750,167,798 = 11,604,083,481,941/x
  3. Step 3: Cross multiply
    20,979,487,736,438x = 28,949,750,167,798 × 11,604,083,481,941
  4. Step 4: Simplify right side
    20,979,487,736,438x = 335,935,317,728,463,441,388,109,824
  5. Step 5: Solve for x
    x = 335,935,317,728,463,441,388,109,824/20,979,487,736,438
  6. Step 6: Final answer
    x = 16,012,560,551,943.21

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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.