Finding the Fourth Proportional to 763,973,327.68, 1,145,958,562.04 and 239,382,589.84
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Solution
The fourth proportional to 763,973,327.68, 1,145,958,562.04 and 239,382,589.84 is: 359,073,436.85
Step by Step Solution
- Step 1: Write the proportion equation
763,973,327.68 : 1,145,958,562.04 = 239,382,589.84 : x - Step 2: Convert to fraction form
763,973,327.68/1,145,958,562.04 = 239,382,589.84/x - Step 3: Cross multiply
763,973,327.68x = 1,145,958,562.04 × 239,382,589.84 - Step 4: Simplify right side
763,973,327.68x = 274,322,528,430,457,504 - Step 5: Solve for x
x = 274,322,528,430,457,504/763,973,327.68 - Step 6: Final answer
x = 359,073,436.85
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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.