Finding the Fourth Proportional to 916,975,152.52, 1,372,879,777.44 and 823,994,235.16
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Solution
The fourth proportional to 916,975,152.52, 1,372,879,777.44 and 823,994,235.16 is: 1,233,670,311.64
Step by Step Solution
- Step 1: Write the proportion equation
916,975,152.52 : 1,372,879,777.44 = 823,994,235.16 : x - Step 2: Convert to fraction form
916,975,152.52/1,372,879,777.44 = 823,994,235.16/x - Step 3: Cross multiply
916,975,152.52x = 1,372,879,777.44 × 823,994,235.16 - Step 4: Simplify right side
916,975,152.52x = 1,131,245,022,178,303,872 - Step 5: Solve for x
x = 1,131,245,022,178,303,872/916,975,152.52 - Step 6: Final answer
x = 1,233,670,311.64
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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.