Home / 330,813,809.20-496,220,713.80-325,711,975.60

Finding the Fourth Proportional to 330,813,809.20, 496,220,713.80 and 325,711,975.60

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Solution

The fourth proportional to 330,813,809.20, 496,220,713.80 and 325,711,975.60 is: 488,567,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,813,809.20 : 496,220,713.80 = 325,711,975.60 : x
  2. Step 2: Convert to fraction form
    330,813,809.20/496,220,713.80 = 325,711,975.60/x
  3. Step 3: Cross multiply
    330,813,809.20x = 496,220,713.80 × 325,711,975.60
  4. Step 4: Simplify right side
    330,813,809.20x = 161,625,029,025,440,192
  5. Step 5: Solve for x
    x = 161,625,029,025,440,192/330,813,809.20
  6. Step 6: Final answer
    x = 488,567,963.40

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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.