Finding the Fourth Proportional to 5,741,950,236.12, 7,925,365,643.49 and 3,739,774,612.14
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Solution
The fourth proportional to 5,741,950,236.12, 7,925,365,643.49 and 3,739,774,612.14 is: 5,161,849,198.73
Step by Step Solution
- Step 1: Write the proportion equation
5,741,950,236.12 : 7,925,365,643.49 = 3,739,774,612.14 : x - Step 2: Convert to fraction form
5,741,950,236.12/7,925,365,643.49 = 3,739,774,612.14/x - Step 3: Cross multiply
5,741,950,236.12x = 7,925,365,643.49 × 3,739,774,612.14 - Step 4: Simplify right side
5,741,950,236.12x = 29,639,081,225,450,496,000 - Step 5: Solve for x
x = 29,639,081,225,450,496,000/5,741,950,236.12 - Step 6: Final answer
x = 5,161,849,198.73
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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.