Finding the Fourth Proportional to 5,190,675,513.80, 7,786,769,097.90 and 1,696,234,425.80
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Solution
The fourth proportional to 5,190,675,513.80, 7,786,769,097.90 and 1,696,234,425.80 is: 2,544,598,631.62
Step by Step Solution
- Step 1: Write the proportion equation
5,190,675,513.80 : 7,786,769,097.90 = 1,696,234,425.80 : x - Step 2: Convert to fraction form
5,190,675,513.80/7,786,769,097.90 = 1,696,234,425.80/x - Step 3: Cross multiply
5,190,675,513.80x = 7,786,769,097.90 × 1,696,234,425.80 - Step 4: Simplify right side
5,190,675,513.80x = 13,208,185,809,613,588,480 - Step 5: Solve for x
x = 13,208,185,809,613,588,480/5,190,675,513.80 - Step 6: Final answer
x = 2,544,598,631.62
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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.