Home / 351,981,549.36-485,711,910.54-195,348,762.45

Finding the Fourth Proportional to 351,981,549.36, 485,711,910.54 and 195,348,762.45

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Solution

The fourth proportional to 351,981,549.36, 485,711,910.54 and 195,348,762.45 is: 269,568,733.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,981,549.36 : 485,711,910.54 = 195,348,762.45 : x
  2. Step 2: Convert to fraction form
    351,981,549.36/485,711,910.54 = 195,348,762.45/x
  3. Step 3: Cross multiply
    351,981,549.36x = 485,711,910.54 × 195,348,762.45
  4. Step 4: Simplify right side
    351,981,549.36x = 94,883,220,631,214,112
  5. Step 5: Solve for x
    x = 94,883,220,631,214,112/351,981,549.36
  6. Step 6: Final answer
    x = 269,568,733.94

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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.