Finding the Fourth Proportional to 932,054,924.12, 1,286,233,157.90 and 514,364,222.79
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Solution
The fourth proportional to 932,054,924.12, 1,286,233,157.90 and 514,364,222.79 is: 709,821,171.99
Step by Step Solution
- Step 1: Write the proportion equation
932,054,924.12 : 1,286,233,157.90 = 514,364,222.79 : x - Step 2: Convert to fraction form
932,054,924.12/1,286,233,157.90 = 514,364,222.79/x - Step 3: Cross multiply
932,054,924.12x = 1,286,233,157.90 × 514,364,222.79 - Step 4: Simplify right side
932,054,924.12x = 661,592,318,591,246,720 - Step 5: Solve for x
x = 661,592,318,591,246,720/932,054,924.12 - Step 6: Final answer
x = 709,821,171.99
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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.