Home / 489,910,659.60-733,858,219.80-336,729,680.40

Finding the Fourth Proportional to 489,910,659.60, 733,858,219.80 and 336,729,680.40

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Solution

The fourth proportional to 489,910,659.60, 733,858,219.80 and 336,729,680.40 is: 504,401,851.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,910,659.60 : 733,858,219.80 = 336,729,680.40 : x
  2. Step 2: Convert to fraction form
    489,910,659.60/733,858,219.80 = 336,729,680.40/x
  3. Step 3: Cross multiply
    489,910,659.60x = 733,858,219.80 × 336,729,680.40
  4. Step 4: Simplify right side
    489,910,659.60x = 247,111,843,812,166,912
  5. Step 5: Solve for x
    x = 247,111,843,812,166,912/489,910,659.60
  6. Step 6: Final answer
    x = 504,401,851.58

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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.