Home / 489,942,672.80-734,914,009.20-444,593,040.80

Finding the Fourth Proportional to 489,942,672.80, 734,914,009.20 and 444,593,040.80

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Solution

The fourth proportional to 489,942,672.80, 734,914,009.20 and 444,593,040.80 is: 666,889,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,942,672.80 : 734,914,009.20 = 444,593,040.80 : x
  2. Step 2: Convert to fraction form
    489,942,672.80/734,914,009.20 = 444,593,040.80/x
  3. Step 3: Cross multiply
    489,942,672.80x = 734,914,009.20 × 444,593,040.80
  4. Step 4: Simplify right side
    489,942,672.80x = 326,737,654,076,747,200
  5. Step 5: Solve for x
    x = 326,737,654,076,747,200/489,942,672.80
  6. Step 6: Final answer
    x = 666,889,561.20

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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.