Finding the Fourth Proportional to 1,268,541,593.46, 1,750,195,075.41 and 739,531,129.14
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Solution
The fourth proportional to 1,268,541,593.46, 1,750,195,075.41 and 739,531,129.14 is: 1,020,324,242.43
Step by Step Solution
- Step 1: Write the proportion equation
1,268,541,593.46 : 1,750,195,075.41 = 739,531,129.14 : x - Step 2: Convert to fraction form
1,268,541,593.46/1,750,195,075.41 = 739,531,129.14/x - Step 3: Cross multiply
1,268,541,593.46x = 1,750,195,075.41 × 739,531,129.14 - Step 4: Simplify right side
1,268,541,593.46x = 1,294,323,740,333,224,704 - Step 5: Solve for x
x = 1,294,323,740,333,224,704/1,268,541,593.46 - Step 6: Final answer
x = 1,020,324,242.43
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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.