Home / 354,401,449.58-489,074,013.24-195,631,613.76

Finding the Fourth Proportional to 354,401,449.58, 489,074,013.24 and 195,631,613.76

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Solution

The fourth proportional to 354,401,449.58, 489,074,013.24 and 195,631,613.76 is: 269,971,634.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,401,449.58 : 489,074,013.24 = 195,631,613.76 : x
  2. Step 2: Convert to fraction form
    354,401,449.58/489,074,013.24 = 195,631,613.76/x
  3. Step 3: Cross multiply
    354,401,449.58x = 489,074,013.24 × 195,631,613.76
  4. Step 4: Simplify right side
    354,401,449.58x = 95,678,338,458,220,800
  5. Step 5: Solve for x
    x = 95,678,338,458,220,800/354,401,449.58
  6. Step 6: Final answer
    x = 269,971,634.07

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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.