Home / 40,140,040,172.21-60,236,586,119.33-18,898,563,452.07

Finding the Fourth Proportional to 40,140,040,172.21, 60,236,586,119.33 and 18,898,563,452.07

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Solution

The fourth proportional to 40,140,040,172.21, 60,236,586,119.33 and 18,898,563,452.07 is: 28,360,333,971.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,140,040,172.21 : 60,236,586,119.33 = 18,898,563,452.07 : x
  2. Step 2: Convert to fraction form
    40,140,040,172.21/60,236,586,119.33 = 18,898,563,452.07/x
  3. Step 3: Cross multiply
    40,140,040,172.21x = 60,236,586,119.33 × 18,898,563,452.07
  4. Step 4: Simplify right side
    40,140,040,172.21x = 1,138,384,944,912,380,067,840
  5. Step 5: Solve for x
    x = 1,138,384,944,912,380,067,840/40,140,040,172.21
  6. Step 6: Final answer
    x = 28,360,333,971.48

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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.