Home / 394,401,555.80-544,176,360.24-255,004,583.12

Finding the Fourth Proportional to 394,401,555.80, 544,176,360.24 and 255,004,583.12

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Solution

The fourth proportional to 394,401,555.80, 544,176,360.24 and 255,004,583.12 is: 351,843,099.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,401,555.80 : 544,176,360.24 = 255,004,583.12 : x
  2. Step 2: Convert to fraction form
    394,401,555.80/544,176,360.24 = 255,004,583.12/x
  3. Step 3: Cross multiply
    394,401,555.80x = 544,176,360.24 × 255,004,583.12
  4. Step 4: Simplify right side
    394,401,555.80x = 138,767,465,886,760,144
  5. Step 5: Solve for x
    x = 138,767,465,886,760,144/394,401,555.80
  6. Step 6: Final answer
    x = 351,843,099.62

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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.