Home / 660,212,218,753.92-990,512,626,040.64-213,023,730,234.24

Finding the Fourth Proportional to 660,212,218,753.92, 990,512,626,040.64 and 213,023,730,234.24

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Solution

The fourth proportional to 660,212,218,753.92, 990,512,626,040.64 and 213,023,730,234.24 is: 319,598,287,413.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,212,218,753.92 : 990,512,626,040.64 = 213,023,730,234.24 : x
  2. Step 2: Convert to fraction form
    660,212,218,753.92/990,512,626,040.64 = 213,023,730,234.24/x
  3. Step 3: Cross multiply
    660,212,218,753.92x = 990,512,626,040.64 × 213,023,730,234.24
  4. Step 4: Simplify right side
    660,212,218,753.92x = 211,002,694,443,289,936,920,576
  5. Step 5: Solve for x
    x = 211,002,694,443,289,936,920,576/660,212,218,753.92
  6. Step 6: Final answer
    x = 319,598,287,413.61

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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.