Home / 28,469,540,090.07-39,286,463,765.43-16,259,844,831.42

Finding the Fourth Proportional to 28,469,540,090.07, 39,286,463,765.43 and 16,259,844,831.42

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Solution

The fourth proportional to 28,469,540,090.07, 39,286,463,765.43 and 16,259,844,831.42 is: 22,437,728,280.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,469,540,090.07 : 39,286,463,765.43 = 16,259,844,831.42 : x
  2. Step 2: Convert to fraction form
    28,469,540,090.07/39,286,463,765.43 = 16,259,844,831.42/x
  3. Step 3: Cross multiply
    28,469,540,090.07x = 39,286,463,765.43 × 16,259,844,831.42
  4. Step 4: Simplify right side
    28,469,540,090.07x = 638,791,804,801,096,089,600
  5. Step 5: Solve for x
    x = 638,791,804,801,096,089,600/28,469,540,090.07
  6. Step 6: Final answer
    x = 22,437,728,280.12

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1.5x scale

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.