Finding the Fourth Proportional to 8,795,319,487.20, 13,192,979,230.80 and 5,305,665,304.80
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Solution
The fourth proportional to 8,795,319,487.20, 13,192,979,230.80 and 5,305,665,304.80 is: 7,958,497,957.20
Step by Step Solution
- Step 1: Write the proportion equation
8,795,319,487.20 : 13,192,979,230.80 = 5,305,665,304.80 : x - Step 2: Convert to fraction form
8,795,319,487.20/13,192,979,230.80 = 5,305,665,304.80/x - Step 3: Cross multiply
8,795,319,487.20x = 13,192,979,230.80 × 5,305,665,304.80 - Step 4: Simplify right side
8,795,319,487.20x = 69,997,532,171,802,550,272 - Step 5: Solve for x
x = 69,997,532,171,802,550,272/8,795,319,487.20 - Step 6: Final answer
x = 7,958,497,957.20
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1.5x scale
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.