Finding the Fourth Proportional to 1,657,167,251.52, 2,286,879,555.42 and 914,611,311.84
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Solution
The fourth proportional to 1,657,167,251.52, 2,286,879,555.42 and 914,611,311.84 is: 1,262,157,400.40
Step by Step Solution
- Step 1: Write the proportion equation
1,657,167,251.52 : 2,286,879,555.42 = 914,611,311.84 : x - Step 2: Convert to fraction form
1,657,167,251.52/2,286,879,555.42 = 914,611,311.84/x - Step 3: Cross multiply
1,657,167,251.52x = 2,286,879,555.42 × 914,611,311.84 - Step 4: Simplify right side
1,657,167,251.52x = 2,091,605,910,202,762,240 - Step 5: Solve for x
x = 2,091,605,910,202,762,240/1,657,167,251.52 - Step 6: Final answer
x = 1,262,157,400.40
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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.