Home / 428,083,173.72-590,744,730.96-251,882,580.96

Finding the Fourth Proportional to 428,083,173.72, 590,744,730.96 and 251,882,580.96

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Solution

The fourth proportional to 428,083,173.72, 590,744,730.96 and 251,882,580.96 is: 347,592,049.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,083,173.72 : 590,744,730.96 = 251,882,580.96 : x
  2. Step 2: Convert to fraction form
    428,083,173.72/590,744,730.96 = 251,882,580.96/x
  3. Step 3: Cross multiply
    428,083,173.72x = 590,744,730.96 × 251,882,580.96
  4. Step 4: Simplify right side
    428,083,173.72x = 148,798,307,522,725,632
  5. Step 5: Solve for x
    x = 148,798,307,522,725,632/428,083,173.72
  6. Step 6: Final answer
    x = 347,592,049.06

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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.