Finding the Fourth Proportional to 1,819,948,591.44, 2,511,600,267.24 and 1,067,157,141.84
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Solution
The fourth proportional to 1,819,948,591.44, 2,511,600,267.24 and 1,067,157,141.84 is: 1,472,718,611.53
Step by Step Solution
- Step 1: Write the proportion equation
1,819,948,591.44 : 2,511,600,267.24 = 1,067,157,141.84 : x - Step 2: Convert to fraction form
1,819,948,591.44/2,511,600,267.24 = 1,067,157,141.84/x - Step 3: Cross multiply
1,819,948,591.44x = 2,511,600,267.24 × 1,067,157,141.84 - Step 4: Simplify right side
1,819,948,591.44x = 2,680,272,162,632,418,304 - Step 5: Solve for x
x = 2,680,272,162,632,418,304/1,819,948,591.44 - Step 6: Final answer
x = 1,472,718,611.53
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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.