Home / 1,992,743,109.60-2,989,399,926.96-612,673,481.76

Finding the Fourth Proportional to 1,992,743,109.60, 2,989,399,926.96 and 612,673,481.76

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Solution

The fourth proportional to 1,992,743,109.60, 2,989,399,926.96 and 612,673,481.76 is: 919,097,927.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,743,109.60 : 2,989,399,926.96 = 612,673,481.76 : x
  2. Step 2: Convert to fraction form
    1,992,743,109.60/2,989,399,926.96 = 612,673,481.76/x
  3. Step 3: Cross multiply
    1,992,743,109.60x = 2,989,399,926.96 × 612,673,481.76
  4. Step 4: Simplify right side
    1,992,743,109.60x = 1,831,526,061,623,672,832
  5. Step 5: Solve for x
    x = 1,831,526,061,623,672,832/1,992,743,109.60
  6. Step 6: Final answer
    x = 919,097,927.27

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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.