Finding the Fourth Proportional to 885,094,817.75, 1,326,987,713.34 and 535,263,112.07
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Solution
The fourth proportional to 885,094,817.75, 1,326,987,713.34 and 535,263,112.07 is: 802,498,849.70
Step by Step Solution
- Step 1: Write the proportion equation
885,094,817.75 : 1,326,987,713.34 = 535,263,112.07 : x - Step 2: Convert to fraction form
885,094,817.75/1,326,987,713.34 = 535,263,112.07/x - Step 3: Cross multiply
885,094,817.75x = 1,326,987,713.34 × 535,263,112.07 - Step 4: Simplify right side
885,094,817.75x = 710,287,573,119,375,872 - Step 5: Solve for x
x = 710,287,573,119,375,872/885,094,817.75 - Step 6: Final answer
x = 802,498,849.70
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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.