Home / 428,083,189.59-590,744,754.05-251,882,597.43

Finding the Fourth Proportional to 428,083,189.59, 590,744,754.05 and 251,882,597.43

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Solution

The fourth proportional to 428,083,189.59, 590,744,754.05 and 251,882,597.43 is: 347,592,072.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,083,189.59 : 590,744,754.05 = 251,882,597.43 : x
  2. Step 2: Convert to fraction form
    428,083,189.59/590,744,754.05 = 251,882,597.43/x
  3. Step 3: Cross multiply
    428,083,189.59x = 590,744,754.05 × 251,882,597.43
  4. Step 4: Simplify right side
    428,083,189.59x = 148,798,323,068,260,512
  5. Step 5: Solve for x
    x = 148,798,323,068,260,512/428,083,189.59
  6. Step 6: Final answer
    x = 347,592,072.49

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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.