Home / 13,669,287,847,642-18,863,631,190,525-7,419,154,156,468

Finding the Fourth Proportional to 13,669,287,847,642, 18,863,631,190,525 and 7,419,154,156,468

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Solution

The fourth proportional to 13,669,287,847,642, 18,863,631,190,525 and 7,419,154,156,468 is: 10,238,440,313,290

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669,287,847,642 : 18,863,631,190,525 = 7,419,154,156,468 : x
  2. Step 2: Convert to fraction form
    13,669,287,847,642/18,863,631,190,525 = 7,419,154,156,468/x
  3. Step 3: Cross multiply
    13,669,287,847,642x = 18,863,631,190,525 × 7,419,154,156,468
  4. Step 4: Simplify right side
    13,669,287,847,642x = 139,952,187,753,262,954,005,397,504
  5. Step 5: Solve for x
    x = 139,952,187,753,262,954,005,397,504/13,669,287,847,642
  6. Step 6: Final answer
    x = 10,238,440,313,290

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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.