Home / 18,702,923,264.46-25,810,025,949.54-10,129,350,297.42

Finding the Fourth Proportional to 18,702,923,264.46, 25,810,025,949.54 and 10,129,350,297.42

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Solution

The fourth proportional to 18,702,923,264.46, 25,810,025,949.54 and 10,129,350,297.42 is: 13,978,498,993.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,702,923,264.46 : 25,810,025,949.54 = 10,129,350,297.42 : x
  2. Step 2: Convert to fraction form
    18,702,923,264.46/25,810,025,949.54 = 10,129,350,297.42/x
  3. Step 3: Cross multiply
    18,702,923,264.46x = 25,810,025,949.54 × 10,129,350,297.42
  4. Step 4: Simplify right side
    18,702,923,264.46x = 261,438,794,028,390,940,672
  5. Step 5: Solve for x
    x = 261,438,794,028,390,940,672/18,702,923,264.46
  6. Step 6: Final answer
    x = 13,978,498,993.53

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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.