Home / 14,421,917,519.71-19,902,363,033.44-7,991,844,906.03

Finding the Fourth Proportional to 14,421,917,519.71, 19,902,363,033.44 and 7,991,844,906.03

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Solution

The fourth proportional to 14,421,917,519.71, 19,902,363,033.44 and 7,991,844,906.03 is: 11,028,810,725.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421,917,519.71 : 19,902,363,033.44 = 7,991,844,906.03 : x
  2. Step 2: Convert to fraction form
    14,421,917,519.71/19,902,363,033.44 = 7,991,844,906.03/x
  3. Step 3: Cross multiply
    14,421,917,519.71x = 19,902,363,033.44 × 7,991,844,906.03
  4. Step 4: Simplify right side
    14,421,917,519.71x = 159,056,598,626,757,214,208
  5. Step 5: Solve for x
    x = 159,056,598,626,757,214,208/14,421,917,519.71
  6. Step 6: Final answer
    x = 11,028,810,725.72

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1.5x scale

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.