Finding the Fourth Proportional to 788,465,514.70, 1,182,698,272.05 and 788,465,514.70
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Solution
The fourth proportional to 788,465,514.70, 1,182,698,272.05 and 788,465,514.70 is: 1,182,698,272.05
Step by Step Solution
- Step 1: Write the proportion equation
788,465,514.70 : 1,182,698,272.05 = 788,465,514.70 : x - Step 2: Convert to fraction form
788,465,514.70/1,182,698,272.05 = 788,465,514.70/x - Step 3: Cross multiply
788,465,514.70x = 1,182,698,272.05 × 788,465,514.70 - Step 4: Simplify right side
788,465,514.70x = 932,516,801,806,703,872 - Step 5: Solve for x
x = 932,516,801,806,703,872/788,465,514.70 - Step 6: Final answer
x = 1,182,698,272.05
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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.