Finding the Fourth Proportional to 74,207,354,232.65, 111,311,031,348.99 and 38,821,036,383.05
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Solution
The fourth proportional to 74,207,354,232.65, 111,311,031,348.99 and 38,821,036,383.05 is: 58,231,554,574.58
Step by Step Solution
- Step 1: Write the proportion equation
74,207,354,232.65 : 111,311,031,348.99 = 38,821,036,383.05 : x - Step 2: Convert to fraction form
74,207,354,232.65/111,311,031,348.99 = 38,821,036,383.05/x - Step 3: Cross multiply
74,207,354,232.65x = 111,311,031,348.99 × 38,821,036,383.05 - Step 4: Simplify right side
74,207,354,232.65x = 4,321,209,597,833,960,226,816 - Step 5: Solve for x
x = 4,321,209,597,833,960,226,816/74,207,354,232.65 - Step 6: Final answer
x = 58,231,554,574.58
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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.