Finding the Fourth Proportional to 5,719,183,623.60, 8,578,775,435.40 and 3,542,401,287.60
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Solution
The fourth proportional to 5,719,183,623.60, 8,578,775,435.40 and 3,542,401,287.60 is: 5,313,601,931.40
Step by Step Solution
- Step 1: Write the proportion equation
5,719,183,623.60 : 8,578,775,435.40 = 3,542,401,287.60 : x - Step 2: Convert to fraction form
5,719,183,623.60/8,578,775,435.40 = 3,542,401,287.60/x - Step 3: Cross multiply
5,719,183,623.60x = 8,578,775,435.40 × 3,542,401,287.60 - Step 4: Simplify right side
5,719,183,623.60x = 30,389,465,148,392,210,432 - Step 5: Solve for x
x = 30,389,465,148,392,210,432/5,719,183,623.60 - Step 6: Final answer
x = 5,313,601,931.40
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1.5x scale
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.