Home / 12,525,668,737.50-17,285,491,192.56-7,375,940,887.26

Finding the Fourth Proportional to 12,525,668,737.50, 17,285,491,192.56 and 7,375,940,887.26

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Solution

The fourth proportional to 12,525,668,737.50, 17,285,491,192.56 and 7,375,940,887.26 is: 10,178,838,664.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525,668,737.50 : 17,285,491,192.56 = 7,375,940,887.26 : x
  2. Step 2: Convert to fraction form
    12,525,668,737.50/17,285,491,192.56 = 7,375,940,887.26/x
  3. Step 3: Cross multiply
    12,525,668,737.50x = 17,285,491,192.56 × 7,375,940,887.26
  4. Step 4: Simplify right side
    12,525,668,737.50x = 127,496,761,243,575,943,168
  5. Step 5: Solve for x
    x = 127,496,761,243,575,943,168/12,525,668,737.50
  6. Step 6: Final answer
    x = 10,178,838,664.47

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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.