Home / 428,083,190.84-590,744,755.77-251,882,598.69

Finding the Fourth Proportional to 428,083,190.84, 590,744,755.77 and 251,882,598.69

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Solution

The fourth proportional to 428,083,190.84, 590,744,755.77 and 251,882,598.69 is: 347,592,074.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,083,190.84 : 590,744,755.77 = 251,882,598.69 : x
  2. Step 2: Convert to fraction form
    428,083,190.84/590,744,755.77 = 251,882,598.69/x
  3. Step 3: Cross multiply
    428,083,190.84x = 590,744,755.77 × 251,882,598.69
  4. Step 4: Simplify right side
    428,083,190.84x = 148,798,324,245,836,960
  5. Step 5: Solve for x
    x = 148,798,324,245,836,960/428,083,190.84
  6. Step 6: Final answer
    x = 347,592,074.23

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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.