Home / 14,421,917,713.64-19,902,363,302.12-7,991,845,100.33

Finding the Fourth Proportional to 14,421,917,713.64, 19,902,363,302.12 and 7,991,845,100.33

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Solution

The fourth proportional to 14,421,917,713.64, 19,902,363,302.12 and 7,991,845,100.33 is: 11,028,810,994.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421,917,713.64 : 19,902,363,302.12 = 7,991,845,100.33 : x
  2. Step 2: Convert to fraction form
    14,421,917,713.64/19,902,363,302.12 = 7,991,845,100.33/x
  3. Step 3: Cross multiply
    14,421,917,713.64x = 19,902,363,302.12 × 7,991,845,100.33
  4. Step 4: Simplify right side
    14,421,917,713.64x = 159,056,604,640,899,858,432
  5. Step 5: Solve for x
    x = 159,056,604,640,899,858,432/14,421,917,713.64
  6. Step 6: Final answer
    x = 11,028,810,994.43

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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.