Home / 354,401,450.08-489,074,013.93-195,631,614.26

Finding the Fourth Proportional to 354,401,450.08, 489,074,013.93 and 195,631,614.26

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Solution

The fourth proportional to 354,401,450.08, 489,074,013.93 and 195,631,614.26 is: 269,971,634.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,401,450.08 : 489,074,013.93 = 195,631,614.26 : x
  2. Step 2: Convert to fraction form
    354,401,450.08/489,074,013.93 = 195,631,614.26/x
  3. Step 3: Cross multiply
    354,401,450.08x = 489,074,013.93 × 195,631,614.26
  4. Step 4: Simplify right side
    354,401,450.08x = 95,678,338,837,743,616
  5. Step 5: Solve for x
    x = 95,678,338,837,743,616/354,401,450.08
  6. Step 6: Final answer
    x = 269,971,634.76

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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.