Home / 309,372,676.94-428,058,497.14-269,762,797.28

Finding the Fourth Proportional to 309,372,676.94, 428,058,497.14 and 269,762,797.28

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Solution

The fourth proportional to 309,372,676.94, 428,058,497.14 and 269,762,797.28 is: 373,252,928.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,372,676.94 : 428,058,497.14 = 269,762,797.28 : x
  2. Step 2: Convert to fraction form
    309,372,676.94/428,058,497.14 = 269,762,797.28/x
  3. Step 3: Cross multiply
    309,372,676.94x = 428,058,497.14 × 269,762,797.28
  4. Step 4: Simplify right side
    309,372,676.94x = 115,474,257,587,959,264
  5. Step 5: Solve for x
    x = 115,474,257,587,959,264/309,372,676.94
  6. Step 6: Final answer
    x = 373,252,928.25

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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.