Home / 309,372,674.94-428,058,494.37-269,762,795.28

Finding the Fourth Proportional to 309,372,674.94, 428,058,494.37 and 269,762,795.28

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Solution

The fourth proportional to 309,372,674.94, 428,058,494.37 and 269,762,795.28 is: 373,252,925.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,372,674.94 : 428,058,494.37 = 269,762,795.28 : x
  2. Step 2: Convert to fraction form
    309,372,674.94/428,058,494.37 = 269,762,795.28/x
  3. Step 3: Cross multiply
    309,372,674.94x = 428,058,494.37 × 269,762,795.28
  4. Step 4: Simplify right side
    309,372,674.94x = 115,474,255,984,599,328
  5. Step 5: Solve for x
    x = 115,474,255,984,599,328/309,372,674.94
  6. Step 6: Final answer
    x = 373,252,925.48

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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.