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Finding the Fourth Proportional to 13,203,670,042.95, 19,805,505,064.43 and 13,203,670,042.95

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Solution

The fourth proportional to 13,203,670,042.95, 19,805,505,064.43 and 13,203,670,042.95 is: 19,805,505,064.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203,670,042.95 : 19,805,505,064.43 = 13,203,670,042.95 : x
  2. Step 2: Convert to fraction form
    13,203,670,042.95/19,805,505,064.43 = 13,203,670,042.95/x
  3. Step 3: Cross multiply
    13,203,670,042.95x = 19,805,505,064.43 × 13,203,670,042.95
  4. Step 4: Simplify right side
    13,203,670,042.95x = 261,505,353,904,642,883,584
  5. Step 5: Solve for x
    x = 261,505,353,904,642,883,584/13,203,670,042.95
  6. Step 6: Final answer
    x = 19,805,505,064.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.