Home / 21,998,267,597,904-30,356,241,449,631-12,120,958,342,440

Finding the Fourth Proportional to 21,998,267,597,904, 30,356,241,449,631 and 12,120,958,342,440

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Solution

The fourth proportional to 21,998,267,597,904, 30,356,241,449,631 and 12,120,958,342,440 is: 16,726,168,840,635.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,998,267,597,904 : 30,356,241,449,631 = 12,120,958,342,440 : x
  2. Step 2: Convert to fraction form
    21,998,267,597,904/30,356,241,449,631 = 12,120,958,342,440/x
  3. Step 3: Cross multiply
    21,998,267,597,904x = 30,356,241,449,631 × 12,120,958,342,440
  4. Step 4: Simplify right side
    21,998,267,597,904x = 367,946,738,044,027,799,802,478,592
  5. Step 5: Solve for x
    x = 367,946,738,044,027,799,802,478,592/21,998,267,597,904
  6. Step 6: Final answer
    x = 16,726,168,840,635.70

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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.