Home / 388,040,252.70-582,060,379.05-265,596,246.30

Finding the Fourth Proportional to 388,040,252.70, 582,060,379.05 and 265,596,246.30

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Solution

The fourth proportional to 388,040,252.70, 582,060,379.05 and 265,596,246.30 is: 398,394,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,040,252.70 : 582,060,379.05 = 265,596,246.30 : x
  2. Step 2: Convert to fraction form
    388,040,252.70/582,060,379.05 = 265,596,246.30/x
  3. Step 3: Cross multiply
    388,040,252.70x = 582,060,379.05 × 265,596,246.30
  4. Step 4: Simplify right side
    388,040,252.70x = 154,593,051,795,635,168
  5. Step 5: Solve for x
    x = 154,593,051,795,635,168/388,040,252.70
  6. Step 6: Final answer
    x = 398,394,369.45

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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.