Home / 407,060,234.43-610,658,455.92-319,618,223.97

Finding the Fourth Proportional to 407,060,234.43, 610,658,455.92 and 319,618,223.97

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Solution

The fourth proportional to 407,060,234.43, 610,658,455.92 and 319,618,223.97 is: 479,480,810.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,060,234.43 : 610,658,455.92 = 319,618,223.97 : x
  2. Step 2: Convert to fraction form
    407,060,234.43/610,658,455.92 = 319,618,223.97/x
  3. Step 3: Cross multiply
    407,060,234.43x = 610,658,455.92 × 319,618,223.97
  4. Step 4: Simplify right side
    407,060,234.43x = 195,177,571,133,412,928
  5. Step 5: Solve for x
    x = 195,177,571,133,412,928/407,060,234.43
  6. Step 6: Final answer
    x = 479,480,810.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.