Home / 354,401,447.58-489,074,010.48-195,631,611.75

Finding the Fourth Proportional to 354,401,447.58, 489,074,010.48 and 195,631,611.75

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Solution

The fourth proportional to 354,401,447.58, 489,074,010.48 and 195,631,611.75 is: 269,971,631.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,401,447.58 : 489,074,010.48 = 195,631,611.75 : x
  2. Step 2: Convert to fraction form
    354,401,447.58/489,074,010.48 = 195,631,611.75/x
  3. Step 3: Cross multiply
    354,401,447.58x = 489,074,010.48 × 195,631,611.75
  4. Step 4: Simplify right side
    354,401,447.58x = 95,678,336,935,238,800
  5. Step 5: Solve for x
    x = 95,678,336,935,238,800/354,401,447.58
  6. Step 6: Final answer
    x = 269,971,631.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.