Finding the Fourth Proportional to 1,983,511,066.40, 2,737,163,075.26 and 1,079,270,734.60
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Solution
The fourth proportional to 1,983,511,066.40, 2,737,163,075.26 and 1,079,270,734.60 is: 1,489,348,888.95
Step by Step Solution
- Step 1: Write the proportion equation
1,983,511,066.40 : 2,737,163,075.26 = 1,079,270,734.60 : x - Step 2: Convert to fraction form
1,983,511,066.40/2,737,163,075.26 = 1,079,270,734.60/x - Step 3: Cross multiply
1,983,511,066.40x = 2,737,163,075.26 × 1,079,270,734.60 - Step 4: Simplify right side
1,983,511,066.40x = 2,954,140,002,955,855,360 - Step 5: Solve for x
x = 2,954,140,002,955,855,360/1,983,511,066.40 - Step 6: Final answer
x = 1,489,348,888.95
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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.