Finding the Fourth Proportional to 2,082,847,907.84, 2,874,140,131.84 and 1,235,929,287.20
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Solution
The fourth proportional to 2,082,847,907.84, 2,874,140,131.84 and 1,235,929,287.20 is: 1,705,469,684.60
Step by Step Solution
- Step 1: Write the proportion equation
2,082,847,907.84 : 2,874,140,131.84 = 1,235,929,287.20 : x - Step 2: Convert to fraction form
2,082,847,907.84/2,874,140,131.84 = 1,235,929,287.20/x - Step 3: Cross multiply
2,082,847,907.84x = 2,874,140,131.84 × 1,235,929,287.20 - Step 4: Simplify right side
2,082,847,907.84x = 3,552,233,964,457,925,632 - Step 5: Solve for x
x = 3,552,233,964,457,925,632/2,082,847,907.84 - Step 6: Final answer
x = 1,705,469,684.60
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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.