Finding the Fourth Proportional to 3,802,513,796.80, 5,699,745,082.62 and 1,279,039,763.44
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Solution
The fourth proportional to 3,802,513,796.80, 5,699,745,082.62 and 1,279,039,763.44 is: 1,917,205,562.35
Step by Step Solution
- Step 1: Write the proportion equation
3,802,513,796.80 : 5,699,745,082.62 = 1,279,039,763.44 : x - Step 2: Convert to fraction form
3,802,513,796.80/5,699,745,082.62 = 1,279,039,763.44/x - Step 3: Cross multiply
3,802,513,796.80x = 5,699,745,082.62 × 1,279,039,763.44 - Step 4: Simplify right side
3,802,513,796.80x = 7,290,200,602,142,587,904 - Step 5: Solve for x
x = 7,290,200,602,142,587,904/3,802,513,796.80 - Step 6: Final answer
x = 1,917,205,562.35
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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.