Home / 20,161,392,181.80-30,233,018,346.30-7,735,593,013.80

Finding the Fourth Proportional to 20,161,392,181.80, 30,233,018,346.30 and 7,735,593,013.80

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Solution

The fourth proportional to 20,161,392,181.80, 30,233,018,346.30 and 7,735,593,013.80 is: 11,599,909,539.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161,392,181.80 : 30,233,018,346.30 = 7,735,593,013.80 : x
  2. Step 2: Convert to fraction form
    20,161,392,181.80/30,233,018,346.30 = 7,735,593,013.80/x
  3. Step 3: Cross multiply
    20,161,392,181.80x = 30,233,018,346.30 × 7,735,593,013.80
  4. Step 4: Simplify right side
    20,161,392,181.80x = 233,870,325,505,725,497,344
  5. Step 5: Solve for x
    x = 233,870,325,505,725,497,344/20,161,392,181.80
  6. Step 6: Final answer
    x = 11,599,909,539.82

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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.