Home / 21,998,267,597,912-30,356,241,449,640-12,120,958,342,447

Finding the Fourth Proportional to 21,998,267,597,912, 30,356,241,449,640 and 12,120,958,342,447

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Solution

The fourth proportional to 21,998,267,597,912, 30,356,241,449,640 and 12,120,958,342,447 is: 16,726,168,840,644.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,998,267,597,912 : 30,356,241,449,640 = 12,120,958,342,447 : x
  2. Step 2: Convert to fraction form
    21,998,267,597,912/30,356,241,449,640 = 12,120,958,342,447/x
  3. Step 3: Cross multiply
    21,998,267,597,912x = 30,356,241,449,640 × 12,120,958,342,447
  4. Step 4: Simplify right side
    21,998,267,597,912x = 367,946,738,044,349,338,234,126,336
  5. Step 5: Solve for x
    x = 367,946,738,044,349,338,234,126,336/21,998,267,597,912
  6. Step 6: Final answer
    x = 16,726,168,840,644.23

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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.