Finding the Fourth Proportional to 230,203,927.80, 345,305,891.70 and 230,203,927.80
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Solution
The fourth proportional to 230,203,927.80, 345,305,891.70 and 230,203,927.80 is: 345,305,891.70
Step by Step Solution
- Step 1: Write the proportion equation
230,203,927.80 : 345,305,891.70 = 230,203,927.80 : x - Step 2: Convert to fraction form
230,203,927.80/345,305,891.70 = 230,203,927.80/x - Step 3: Cross multiply
230,203,927.80x = 345,305,891.70 × 230,203,927.80 - Step 4: Simplify right side
230,203,927.80x = 79,490,772,561,821,424 - Step 5: Solve for x
x = 79,490,772,561,821,424/230,203,927.80 - Step 6: Final answer
x = 345,305,891.70
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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.