Finding the Fourth Proportional to 1,452,511,601.56, 2,179,597,660.84 and 788,579,603.44
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Solution
The fourth proportional to 1,452,511,601.56, 2,179,597,660.84 and 788,579,603.44 is: 1,183,320,158.82
Step by Step Solution
- Step 1: Write the proportion equation
1,452,511,601.56 : 2,179,597,660.84 = 788,579,603.44 : x - Step 2: Convert to fraction form
1,452,511,601.56/2,179,597,660.84 = 788,579,603.44/x - Step 3: Cross multiply
1,452,511,601.56x = 2,179,597,660.84 × 788,579,603.44 - Step 4: Simplify right side
1,452,511,601.56x = 1,718,786,259,049,562,880 - Step 5: Solve for x
x = 1,718,786,259,049,562,880/1,452,511,601.56 - Step 6: Final answer
x = 1,183,320,158.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.