Home / 428,279,019.30-590,972,794.83-240,063,874.74

Finding the Fourth Proportional to 428,279,019.30, 590,972,794.83 and 240,063,874.74

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Solution

The fourth proportional to 428,279,019.30, 590,972,794.83 and 240,063,874.74 is: 331,258,858.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,279,019.30 : 590,972,794.83 = 240,063,874.74 : x
  2. Step 2: Convert to fraction form
    428,279,019.30/590,972,794.83 = 240,063,874.74/x
  3. Step 3: Cross multiply
    428,279,019.30x = 590,972,794.83 × 240,063,874.74
  4. Step 4: Simplify right side
    428,279,019.30x = 141,871,218,992,816,848
  5. Step 5: Solve for x
    x = 141,871,218,992,816,848/428,279,019.30
  6. Step 6: Final answer
    x = 331,258,858.36

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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.