Home / 21,058,416,519.22-31,587,305,917.11-5,122,903,042.90

Finding the Fourth Proportional to 21,058,416,519.22, 31,587,305,917.11 and 5,122,903,042.90

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Solution

The fourth proportional to 21,058,416,519.22, 31,587,305,917.11 and 5,122,903,042.90 is: 7,684,276,994.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058,416,519.22 : 31,587,305,917.11 = 5,122,903,042.90 : x
  2. Step 2: Convert to fraction form
    21,058,416,519.22/31,587,305,917.11 = 5,122,903,042.90/x
  3. Step 3: Cross multiply
    21,058,416,519.22x = 31,587,305,917.11 × 5,122,903,042.90
  4. Step 4: Simplify right side
    21,058,416,519.22x = 161,818,705,599,775,997,952
  5. Step 5: Solve for x
    x = 161,818,705,599,775,997,952/21,058,416,519.22
  6. Step 6: Final answer
    x = 7,684,276,994.53

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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.