Home / 383,185,014.80-574,777,522.20-221,941,878.80

Finding the Fourth Proportional to 383,185,014.80, 574,777,522.20 and 221,941,878.80

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Solution

The fourth proportional to 383,185,014.80, 574,777,522.20 and 221,941,878.80 is: 332,912,818.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,185,014.80 : 574,777,522.20 = 221,941,878.80 : x
  2. Step 2: Convert to fraction form
    383,185,014.80/574,777,522.20 = 221,941,878.80/x
  3. Step 3: Cross multiply
    383,185,014.80x = 574,777,522.20 × 221,941,878.80
  4. Step 4: Simplify right side
    383,185,014.80x = 127,567,203,169,076,720
  5. Step 5: Solve for x
    x = 127,567,203,169,076,720/383,185,014.80
  6. Step 6: Final answer
    x = 332,912,818.20

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1.5x scale

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.