Home / 489,074,124.60-733,611,186.90-325,815,449.40

Finding the Fourth Proportional to 489,074,124.60, 733,611,186.90 and 325,815,449.40

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Solution

The fourth proportional to 489,074,124.60, 733,611,186.90 and 325,815,449.40 is: 488,723,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,074,124.60 : 733,611,186.90 = 325,815,449.40 : x
  2. Step 2: Convert to fraction form
    489,074,124.60/733,611,186.90 = 325,815,449.40/x
  3. Step 3: Cross multiply
    489,074,124.60x = 733,611,186.90 × 325,815,449.40
  4. Step 4: Simplify right side
    489,074,124.60x = 239,021,858,544,690,880
  5. Step 5: Solve for x
    x = 239,021,858,544,690,880/489,074,124.60
  6. Step 6: Final answer
    x = 488,723,174.10

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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.