Finding the Fourth Proportional to 848,007,480.12, 1,272,011,684.92 and 387,622,799.04
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Solution
The fourth proportional to 848,007,480.12, 1,272,011,684.92 and 387,622,799.04 is: 581,434,410.99
Step by Step Solution
- Step 1: Write the proportion equation
848,007,480.12 : 1,272,011,684.92 = 387,622,799.04 : x - Step 2: Convert to fraction form
848,007,480.12/1,272,011,684.92 = 387,622,799.04/x - Step 3: Cross multiply
848,007,480.12x = 1,272,011,684.92 × 387,622,799.04 - Step 4: Simplify right side
848,007,480.12x = 493,060,729,720,276,992 - Step 5: Solve for x
x = 493,060,729,720,276,992/848,007,480.12 - Step 6: Final answer
x = 581,434,410.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.