Home / 362,372,871.72-500,056,738.20-205,719,417.66

Finding the Fourth Proportional to 362,372,871.72, 500,056,738.20 and 205,719,417.66

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Solution

The fourth proportional to 362,372,871.72, 500,056,738.20 and 205,719,417.66 is: 283,882,677.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,372,871.72 : 500,056,738.20 = 205,719,417.66 : x
  2. Step 2: Convert to fraction form
    362,372,871.72/500,056,738.20 = 205,719,417.66/x
  3. Step 3: Cross multiply
    362,372,871.72x = 500,056,738.20 × 205,719,417.66
  4. Step 4: Simplify right side
    362,372,871.72x = 102,871,380,979,463,072
  5. Step 5: Solve for x
    x = 102,871,380,979,463,072/362,372,871.72
  6. Step 6: Final answer
    x = 283,882,677.23

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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.