Home / 318,325,439.18-439,284,606.47-179,095,868.78

Finding the Fourth Proportional to 318,325,439.18, 439,284,606.47 and 179,095,868.78

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Solution

The fourth proportional to 318,325,439.18, 439,284,606.47 and 179,095,868.78 is: 247,149,767.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,325,439.18 : 439,284,606.47 = 179,095,868.78 : x
  2. Step 2: Convert to fraction form
    318,325,439.18/439,284,606.47 = 179,095,868.78/x
  3. Step 3: Cross multiply
    318,325,439.18x = 439,284,606.47 × 179,095,868.78
  4. Step 4: Simplify right side
    318,325,439.18x = 78,674,058,236,529,568
  5. Step 5: Solve for x
    x = 78,674,058,236,529,568/318,325,439.18
  6. Step 6: Final answer
    x = 247,149,767.36

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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.