Finding the Fourth Proportional to 1,304,734,357.70, 1,800,533,710.41 and 718,023,493.70
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Solution
The fourth proportional to 1,304,734,357.70, 1,800,533,710.41 and 718,023,493.70 is: 990,872,584.63
Step by Step Solution
- Step 1: Write the proportion equation
1,304,734,357.70 : 1,800,533,710.41 = 718,023,493.70 : x - Step 2: Convert to fraction form
1,304,734,357.70/1,800,533,710.41 = 718,023,493.70/x - Step 3: Cross multiply
1,304,734,357.70x = 1,800,533,710.41 × 718,023,493.70 - Step 4: Simplify right side
1,304,734,357.70x = 1,292,825,505,273,212,416 - Step 5: Solve for x
x = 1,292,825,505,273,212,416/1,304,734,357.70 - Step 6: Final answer
x = 990,872,584.63
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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.