Finding the Fourth Proportional to 1,973,069,609.29, 2,723,186,891.57 and 1,180,202,816.87
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Solution
The fourth proportional to 1,973,069,609.29, 2,723,186,891.57 and 1,180,202,816.87 is: 1,628,889,738.70
Step by Step Solution
- Step 1: Write the proportion equation
1,973,069,609.29 : 2,723,186,891.57 = 1,180,202,816.87 : x - Step 2: Convert to fraction form
1,973,069,609.29/2,723,186,891.57 = 1,180,202,816.87/x - Step 3: Cross multiply
1,973,069,609.29x = 2,723,186,891.57 × 1,180,202,816.87 - Step 4: Simplify right side
1,973,069,609.29x = 3,213,912,840,304,132,096 - Step 5: Solve for x
x = 3,213,912,840,304,132,096/1,973,069,609.29 - Step 6: Final answer
x = 1,628,889,738.70
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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.