Home / 489,450,789.50-733,907,835.75-194,046,652.58

Finding the Fourth Proportional to 489,450,789.50, 733,907,835.75 and 194,046,652.58

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Solution

The fourth proportional to 489,450,789.50, 733,907,835.75 and 194,046,652.58 is: 290,963,589.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,450,789.50 : 733,907,835.75 = 194,046,652.58 : x
  2. Step 2: Convert to fraction form
    489,450,789.50/733,907,835.75 = 194,046,652.58/x
  3. Step 3: Cross multiply
    489,450,789.50x = 733,907,835.75 × 194,046,652.58
  4. Step 4: Simplify right side
    489,450,789.50x = 142,412,358,829,519,968
  5. Step 5: Solve for x
    x = 142,412,358,829,519,968/489,450,789.50
  6. Step 6: Final answer
    x = 290,963,589.98

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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.