Finding the Fourth Proportional to 1,397,701,839.60, 2,088,365,218.38 and 1,348,821,342.96
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Solution
The fourth proportional to 1,397,701,839.60, 2,088,365,218.38 and 1,348,821,342.96 is: 2,015,330,808.50
Step by Step Solution
- Step 1: Write the proportion equation
1,397,701,839.60 : 2,088,365,218.38 = 1,348,821,342.96 : x - Step 2: Convert to fraction form
1,397,701,839.60/2,088,365,218.38 = 1,348,821,342.96/x - Step 3: Cross multiply
1,397,701,839.60x = 2,088,365,218.38 × 1,348,821,342.96 - Step 4: Simplify right side
1,397,701,839.60x = 2,816,831,578,446,265,344 - Step 5: Solve for x
x = 2,816,831,578,446,265,344/1,397,701,839.60 - Step 6: Final answer
x = 2,015,330,808.50
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.