Home / 330,813,763.20-496,220,644.80-325,711,929.60

Finding the Fourth Proportional to 330,813,763.20, 496,220,644.80 and 325,711,929.60

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Solution

The fourth proportional to 330,813,763.20, 496,220,644.80 and 325,711,929.60 is: 488,567,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,813,763.20 : 496,220,644.80 = 325,711,929.60 : x
  2. Step 2: Convert to fraction form
    330,813,763.20/496,220,644.80 = 325,711,929.60/x
  3. Step 3: Cross multiply
    330,813,763.20x = 496,220,644.80 × 325,711,929.60
  4. Step 4: Simplify right side
    330,813,763.20x = 161,624,983,725,164,224
  5. Step 5: Solve for x
    x = 161,624,983,725,164,224/330,813,763.20
  6. Step 6: Final answer
    x = 488,567,894.40

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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.