Finding the Fourth Proportional to 235,482,623,338.09, 324,964,367,093.50 and 128,554,568,374.09
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Solution
The fourth proportional to 235,482,623,338.09, 324,964,367,093.50 and 128,554,568,374.09 is: 177,404,401,889.50
Step by Step Solution
- Step 1: Write the proportion equation
235,482,623,338.09 : 324,964,367,093.50 = 128,554,568,374.09 : x - Step 2: Convert to fraction form
235,482,623,338.09/324,964,367,093.50 = 128,554,568,374.09/x - Step 3: Cross multiply
235,482,623,338.09x = 324,964,367,093.50 × 128,554,568,374.09 - Step 4: Simplify right side
235,482,623,338.09x = 41,775,653,948,664,227,823,616 - Step 5: Solve for x
x = 41,775,653,948,664,227,823,616/235,482,623,338.09 - Step 6: Final answer
x = 177,404,401,889.50
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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.