Finding the Fourth Proportional to 705,028,270.40, 1,057,542,405.60 and 568,979,374.40
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Solution
The fourth proportional to 705,028,270.40, 1,057,542,405.60 and 568,979,374.40 is: 853,469,061.60
Step by Step Solution
- Step 1: Write the proportion equation
705,028,270.40 : 1,057,542,405.60 = 568,979,374.40 : x - Step 2: Convert to fraction form
705,028,270.40/1,057,542,405.60 = 568,979,374.40/x - Step 3: Cross multiply
705,028,270.40x = 1,057,542,405.60 × 568,979,374.40 - Step 4: Simplify right side
705,028,270.40x = 601,719,816,339,759,104 - Step 5: Solve for x
x = 601,719,816,339,759,104/705,028,270.40 - Step 6: Final answer
x = 853,469,061.60
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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.