Home / 394,401,549.30-544,176,351.27-255,004,576.62

Finding the Fourth Proportional to 394,401,549.30, 544,176,351.27 and 255,004,576.62

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Solution

The fourth proportional to 394,401,549.30, 544,176,351.27 and 255,004,576.62 is: 351,843,090.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,401,549.30 : 544,176,351.27 = 255,004,576.62 : x
  2. Step 2: Convert to fraction form
    394,401,549.30/544,176,351.27 = 255,004,576.62/x
  3. Step 3: Cross multiply
    394,401,549.30x = 544,176,351.27 × 255,004,576.62
  4. Step 4: Simplify right side
    394,401,549.30x = 138,767,460,062,222,752
  5. Step 5: Solve for x
    x = 138,767,460,062,222,752/394,401,549.30
  6. Step 6: Final answer
    x = 351,843,090.65

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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.