Finding the Fourth Proportional to 2,728,975,678.70, 3,765,986,407.46 and 1,475,912,534.60
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Solution
The fourth proportional to 2,728,975,678.70, 3,765,986,407.46 and 1,475,912,534.60 is: 2,036,759,281.98
Step by Step Solution
- Step 1: Write the proportion equation
2,728,975,678.70 : 3,765,986,407.46 = 1,475,912,534.60 : x - Step 2: Convert to fraction form
2,728,975,678.70/3,765,986,407.46 = 1,475,912,534.60/x - Step 3: Cross multiply
2,728,975,678.70x = 3,765,986,407.46 × 1,475,912,534.60 - Step 4: Simplify right side
2,728,975,678.70x = 5,558,266,543,903,436,800 - Step 5: Solve for x
x = 5,558,266,543,903,436,800/2,728,975,678.70 - Step 6: Final answer
x = 2,036,759,281.98
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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.