Home / 428,073,964.48-590,738,824.20-232,505,076.16

Finding the Fourth Proportional to 428,073,964.48, 590,738,824.20 and 232,505,076.16

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Solution

The fourth proportional to 428,073,964.48, 590,738,824.20 and 232,505,076.16 is: 320,855,241.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,073,964.48 : 590,738,824.20 = 232,505,076.16 : x
  2. Step 2: Convert to fraction form
    428,073,964.48/590,738,824.20 = 232,505,076.16/x
  3. Step 3: Cross multiply
    428,073,964.48x = 590,738,824.20 × 232,505,076.16
  4. Step 4: Simplify right side
    428,073,964.48x = 137,349,775,311,289,856
  5. Step 5: Solve for x
    x = 137,349,775,311,289,856/428,073,964.48
  6. Step 6: Final answer
    x = 320,855,241.64

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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.