Home / 14,421,917,549.75-19,902,363,074.91-7,991,844,936.30

Finding the Fourth Proportional to 14,421,917,549.75, 19,902,363,074.91 and 7,991,844,936.30

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Solution

The fourth proportional to 14,421,917,549.75, 19,902,363,074.91 and 7,991,844,936.30 is: 11,028,810,767.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421,917,549.75 : 19,902,363,074.91 = 7,991,844,936.30 : x
  2. Step 2: Convert to fraction form
    14,421,917,549.75/19,902,363,074.91 = 7,991,844,936.30/x
  3. Step 3: Cross multiply
    14,421,917,549.75x = 19,902,363,074.91 × 7,991,844,936.30
  4. Step 4: Simplify right side
    14,421,917,549.75x = 159,056,599,560,623,587,328
  5. Step 5: Solve for x
    x = 159,056,599,560,623,587,328/14,421,917,549.75
  6. Step 6: Final answer
    x = 11,028,810,767.50

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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.