Finding the Fourth Proportional to 934,728,613.29, 1,283,170,784.15 and 802,339,771.14
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Solution
The fourth proportional to 934,728,613.29, 1,283,170,784.15 and 802,339,771.14 is: 1,101,430,873.79
Step by Step Solution
- Step 1: Write the proportion equation
934,728,613.29 : 1,283,170,784.15 = 802,339,771.14 : x - Step 2: Convert to fraction form
934,728,613.29/1,283,170,784.15 = 802,339,771.14/x - Step 3: Cross multiply
934,728,613.29x = 1,283,170,784.15 × 802,339,771.14 - Step 4: Simplify right side
934,728,613.29x = 1,029,538,953,290,451,072 - Step 5: Solve for x
x = 1,029,538,953,290,451,072/934,728,613.29 - Step 6: Final answer
x = 1,101,430,873.79
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.