Home / 330,784,907.20-496,177,360.80-221,662,355.20

Finding the Fourth Proportional to 330,784,907.20, 496,177,360.80 and 221,662,355.20

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Solution

The fourth proportional to 330,784,907.20, 496,177,360.80 and 221,662,355.20 is: 332,493,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,784,907.20 : 496,177,360.80 = 221,662,355.20 : x
  2. Step 2: Convert to fraction form
    330,784,907.20/496,177,360.80 = 221,662,355.20/x
  3. Step 3: Cross multiply
    330,784,907.20x = 496,177,360.80 × 221,662,355.20
  4. Step 4: Simplify right side
    330,784,907.20x = 109,983,842,391,848,160
  5. Step 5: Solve for x
    x = 109,983,842,391,848,160/330,784,907.20
  6. Step 6: Final answer
    x = 332,493,532.80

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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.