Home / 330,866,467.20-496,299,700.80-221,743,915.20

Finding the Fourth Proportional to 330,866,467.20, 496,299,700.80 and 221,743,915.20

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Solution

The fourth proportional to 330,866,467.20, 496,299,700.80 and 221,743,915.20 is: 332,615,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,866,467.20 : 496,299,700.80 = 221,743,915.20 : x
  2. Step 2: Convert to fraction form
    330,866,467.20/496,299,700.80 = 221,743,915.20/x
  3. Step 3: Cross multiply
    330,866,467.20x = 496,299,700.80 × 221,743,915.20
  4. Step 4: Simplify right side
    330,866,467.20x = 110,051,438,767,980,576
  5. Step 5: Solve for x
    x = 110,051,438,767,980,576/330,866,467.20
  6. Step 6: Final answer
    x = 332,615,872.80

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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.