Finding the Fourth Proportional to 1,918,760,597.04, 2,647,840,841.60 and 1,071,994,279.88
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Solution
The fourth proportional to 1,918,760,597.04, 2,647,840,841.60 and 1,071,994,279.88 is: 1,479,324,851.99
Step by Step Solution
- Step 1: Write the proportion equation
1,918,760,597.04 : 2,647,840,841.60 = 1,071,994,279.88 : x - Step 2: Convert to fraction form
1,918,760,597.04/2,647,840,841.60 = 1,071,994,279.88/x - Step 3: Cross multiply
1,918,760,597.04x = 2,647,840,841.60 × 1,071,994,279.88 - Step 4: Simplify right side
1,918,760,597.04x = 2,838,470,236,227,845,120 - Step 5: Solve for x
x = 2,838,470,236,227,845,120/1,918,760,597.04 - Step 6: Final answer
x = 1,479,324,851.99
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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.