Finding the Fourth Proportional to 923,522,236.56, 1,387,493,330.04 and 592,178,423.60
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Solution
The fourth proportional to 923,522,236.56, 1,387,493,330.04 and 592,178,423.60 is: 889,684,709.70
Step by Step Solution
- Step 1: Write the proportion equation
923,522,236.56 : 1,387,493,330.04 = 592,178,423.60 : x - Step 2: Convert to fraction form
923,522,236.56/1,387,493,330.04 = 592,178,423.60/x - Step 3: Cross multiply
923,522,236.56x = 1,387,493,330.04 × 592,178,423.60 - Step 4: Simplify right side
923,522,236.56x = 821,643,612,938,601,728 - Step 5: Solve for x
x = 821,643,612,938,601,728/923,522,236.56 - Step 6: Final answer
x = 889,684,709.70
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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.