Finding the Fourth Proportional to 252,775,192,652.26, 379,124,478,635.36 and 68,795,875,256.10
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Solution
The fourth proportional to 252,775,192,652.26, 379,124,478,635.36 and 68,795,875,256.10 is: 103,183,386,253.47
Step by Step Solution
- Step 1: Write the proportion equation
252,775,192,652.26 : 379,124,478,635.36 = 68,795,875,256.10 : x - Step 2: Convert to fraction form
252,775,192,652.26/379,124,478,635.36 = 68,795,875,256.10/x - Step 3: Cross multiply
252,775,192,652.26x = 379,124,478,635.36 × 68,795,875,256.10 - Step 4: Simplify right side
252,775,192,652.26x = 26,082,200,338,732,177,948,672 - Step 5: Solve for x
x = 26,082,200,338,732,177,948,672/252,775,192,652.26 - Step 6: Final answer
x = 103,183,386,253.47
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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.