Finding the Fourth Proportional to 6,305,045,391.84, 8,699,519,129.49 and 3,764,232,859.80
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Solution
The fourth proportional to 6,305,045,391.84, 8,699,519,129.49 and 3,764,232,859.80 is: 5,193,779,542.66
Step by Step Solution
- Step 1: Write the proportion equation
6,305,045,391.84 : 8,699,519,129.49 = 3,764,232,859.80 : x - Step 2: Convert to fraction form
6,305,045,391.84/8,699,519,129.49 = 3,764,232,859.80/x - Step 3: Cross multiply
6,305,045,391.84x = 8,699,519,129.49 × 3,764,232,859.80 - Step 4: Simplify right side
6,305,045,391.84x = 32,747,015,771,684,950,016 - Step 5: Solve for x
x = 32,747,015,771,684,950,016/6,305,045,391.84 - Step 6: Final answer
x = 5,193,779,542.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.