Home / 19,976,839,518.36-29,956,303,166.40-11,904,107,819.88

Finding the Fourth Proportional to 19,976,839,518.36, 29,956,303,166.40 and 11,904,107,819.88

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Solution

The fourth proportional to 19,976,839,518.36, 29,956,303,166.40 and 11,904,107,819.88 is: 17,850,824,823.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976,839,518.36 : 29,956,303,166.40 = 11,904,107,819.88 : x
  2. Step 2: Convert to fraction form
    19,976,839,518.36/29,956,303,166.40 = 11,904,107,819.88/x
  3. Step 3: Cross multiply
    19,976,839,518.36x = 29,956,303,166.40 × 11,904,107,819.88
  4. Step 4: Simplify right side
    19,976,839,518.36x = 356,603,062,777,838,239,744
  5. Step 5: Solve for x
    x = 356,603,062,777,838,239,744/19,976,839,518.36
  6. Step 6: Final answer
    x = 17,850,824,823.92

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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.