Finding the Fourth Proportional to 590,493,081.80, 885,739,622.70 and 202,186,857.80
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Solution
The fourth proportional to 590,493,081.80, 885,739,622.70 and 202,186,857.80 is: 303,280,286.70
Step by Step Solution
- Step 1: Write the proportion equation
590,493,081.80 : 885,739,622.70 = 202,186,857.80 : x - Step 2: Convert to fraction form
590,493,081.80/885,739,622.70 = 202,186,857.80/x - Step 3: Cross multiply
590,493,081.80x = 885,739,622.70 × 202,186,857.80 - Step 4: Simplify right side
590,493,081.80x = 179,084,911,142,670,560 - Step 5: Solve for x
x = 179,084,911,142,670,560/590,493,081.80 - Step 6: Final answer
x = 303,280,286.70
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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.