Finding the Fourth Proportional to 845,514,609.80, 1,268,271,914.70 and 482,717,553.80
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Solution
The fourth proportional to 845,514,609.80, 1,268,271,914.70 and 482,717,553.80 is: 724,076,330.70
Step by Step Solution
- Step 1: Write the proportion equation
845,514,609.80 : 1,268,271,914.70 = 482,717,553.80 : x - Step 2: Convert to fraction form
845,514,609.80/1,268,271,914.70 = 482,717,553.80/x - Step 3: Cross multiply
845,514,609.80x = 1,268,271,914.70 × 482,717,553.80 - Step 4: Simplify right side
845,514,609.80x = 612,217,116,217,226,240 - Step 5: Solve for x
x = 612,217,116,217,226,240/845,514,609.80 - Step 6: Final answer
x = 724,076,330.70
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Double scale
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Similar ratio
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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.