Finding the Fourth Proportional to 1,743,486,239.70, 2,614,003,146.32 and 809,817,795.99
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Solution
The fourth proportional to 1,743,486,239.70, 2,614,003,146.32 and 809,817,795.99 is: 1,214,157,140.14
Step by Step Solution
- Step 1: Write the proportion equation
1,743,486,239.70 : 2,614,003,146.32 = 809,817,795.99 : x - Step 2: Convert to fraction form
1,743,486,239.70/2,614,003,146.32 = 809,817,795.99/x - Step 3: Cross multiply
1,743,486,239.70x = 2,614,003,146.32 × 809,817,795.99 - Step 4: Simplify right side
1,743,486,239.70x = 2,116,866,266,659,738,880 - Step 5: Solve for x
x = 2,116,866,266,659,738,880/1,743,486,239.70 - Step 6: Final answer
x = 1,214,157,140.14
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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.