Home / 213,216,467,115.46-319,821,472,197.51-51,869,393,169.22

Finding the Fourth Proportional to 213,216,467,115.46, 319,821,472,197.51 and 51,869,393,169.22

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Solution

The fourth proportional to 213,216,467,115.46, 319,821,472,197.51 and 51,869,393,169.22 is: 77,803,304,359.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,216,467,115.46 : 319,821,472,197.51 = 51,869,393,169.22 : x
  2. Step 2: Convert to fraction form
    213,216,467,115.46/319,821,472,197.51 = 51,869,393,169.22/x
  3. Step 3: Cross multiply
    213,216,467,115.46x = 319,821,472,197.51 × 51,869,393,169.22
  4. Step 4: Simplify right side
    213,216,467,115.46x = 16,588,945,685,371,410,186,240
  5. Step 5: Solve for x
    x = 16,588,945,685,371,410,186,240/213,216,467,115.46
  6. Step 6: Final answer
    x = 77,803,304,359.17

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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.