Home / 495,048,484.92-682,484,270.38-394,916,778.01

Finding the Fourth Proportional to 495,048,484.92, 682,484,270.38 and 394,916,778.01

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Solution

The fourth proportional to 495,048,484.92, 682,484,270.38 and 394,916,778.01 is: 544,440,589.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,048,484.92 : 682,484,270.38 = 394,916,778.01 : x
  2. Step 2: Convert to fraction form
    495,048,484.92/682,484,270.38 = 394,916,778.01/x
  3. Step 3: Cross multiply
    495,048,484.92x = 682,484,270.38 × 394,916,778.01
  4. Step 4: Simplify right side
    495,048,484.92x = 269,524,489,103,072,384
  5. Step 5: Solve for x
    x = 269,524,489,103,072,384/495,048,484.92
  6. Step 6: Final answer
    x = 544,440,589.78

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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.