Finding the Fourth Proportional to 3,087,903,808.98, 4,261,340,174.22 and 1,678,207,844.70
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Solution
The fourth proportional to 3,087,903,808.98, 4,261,340,174.22 and 1,678,207,844.70 is: 2,315,944,715.80
Step by Step Solution
- Step 1: Write the proportion equation
3,087,903,808.98 : 4,261,340,174.22 = 1,678,207,844.70 : x - Step 2: Convert to fraction form
3,087,903,808.98/4,261,340,174.22 = 1,678,207,844.70/x - Step 3: Cross multiply
3,087,903,808.98x = 4,261,340,174.22 × 1,678,207,844.70 - Step 4: Simplify right side
3,087,903,808.98x = 7,151,414,509,311,268,864 - Step 5: Solve for x
x = 7,151,414,509,311,268,864/3,087,903,808.98 - Step 6: Final answer
x = 2,315,944,715.80
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1.5x scale
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.