Finding the Fourth Proportional to 2,178,936,313,314.90, 3,268,416,687,497.50 and 726,794,988,860.60
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Solution
The fourth proportional to 2,178,936,313,314.90, 3,268,416,687,497.50 and 726,794,988,860.60 is: 1,090,196,558,506.87
Step by Step Solution
- Step 1: Write the proportion equation
2,178,936,313,314.90 : 3,268,416,687,497.50 = 726,794,988,860.60 : x - Step 2: Convert to fraction form
2,178,936,313,314.90/3,268,416,687,497.50 = 726,794,988,860.60/x - Step 3: Cross multiply
2,178,936,313,314.90x = 3,268,416,687,497.50 × 726,794,988,860.60 - Step 4: Simplify right side
2,178,936,313,314.90x = 2,375,468,869,981,544,596,373,504 - Step 5: Solve for x
x = 2,375,468,869,981,544,596,373,504/2,178,936,313,314.90 - Step 6: Final answer
x = 1,090,196,558,506.87
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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.