Home / 756,755,770.80-1,135,301,617.80-347,713,287.60

Finding the Fourth Proportional to 756,755,770.80, 1,135,301,617.80 and 347,713,287.60

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Solution

The fourth proportional to 756,755,770.80, 1,135,301,617.80 and 347,713,287.60 is: 521,647,106.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,755,770.80 : 1,135,301,617.80 = 347,713,287.60 : x
  2. Step 2: Convert to fraction form
    756,755,770.80/1,135,301,617.80 = 347,713,287.60/x
  3. Step 3: Cross multiply
    756,755,770.80x = 1,135,301,617.80 × 347,713,287.60
  4. Step 4: Simplify right side
    756,755,770.80x = 394,759,457,942,836,672
  5. Step 5: Solve for x
    x = 394,759,457,942,836,672/756,755,770.80
  6. Step 6: Final answer
    x = 521,647,106.21

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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.