Home / 494,824,685.50-682,818,243.34-285,994,354.06

Finding the Fourth Proportional to 494,824,685.50, 682,818,243.34 and 285,994,354.06

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Solution

The fourth proportional to 494,824,685.50, 682,818,243.34 and 285,994,354.06 is: 394,649,192.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,824,685.50 : 682,818,243.34 = 285,994,354.06 : x
  2. Step 2: Convert to fraction form
    494,824,685.50/682,818,243.34 = 285,994,354.06/x
  3. Step 3: Cross multiply
    494,824,685.50x = 682,818,243.34 × 285,994,354.06
  4. Step 4: Simplify right side
    494,824,685.50x = 195,282,162,439,563,136
  5. Step 5: Solve for x
    x = 195,282,162,439,563,136/494,824,685.50
  6. Step 6: Final answer
    x = 394,649,192.26

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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.