Home / 263,263,144.80-394,894,717.20-186,735,640.80

Finding the Fourth Proportional to 263,263,144.80, 394,894,717.20 and 186,735,640.80

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Solution

The fourth proportional to 263,263,144.80, 394,894,717.20 and 186,735,640.80 is: 280,103,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,263,144.80 : 394,894,717.20 = 186,735,640.80 : x
  2. Step 2: Convert to fraction form
    263,263,144.80/394,894,717.20 = 186,735,640.80/x
  3. Step 3: Cross multiply
    263,263,144.80x = 394,894,717.20 × 186,735,640.80
  4. Step 4: Simplify right side
    263,263,144.80x = 73,740,918,064,876,784
  5. Step 5: Solve for x
    x = 73,740,918,064,876,784/263,263,144.80
  6. Step 6: Final answer
    x = 280,103,461.20

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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.