Finding the Fourth Proportional to 5,490,635,105.49, 7,577,904,698.07 and 3,348,484,537.48
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Solution
The fourth proportional to 5,490,635,105.49, 7,577,904,698.07 and 3,348,484,537.48 is: 4,621,413,774.63
Step by Step Solution
- Step 1: Write the proportion equation
5,490,635,105.49 : 7,577,904,698.07 = 3,348,484,537.48 : x - Step 2: Convert to fraction form
5,490,635,105.49/7,577,904,698.07 = 3,348,484,537.48/x - Step 3: Cross multiply
5,490,635,105.49x = 7,577,904,698.07 × 3,348,484,537.48 - Step 4: Simplify right side
5,490,635,105.49x = 25,374,496,707,984,441,344 - Step 5: Solve for x
x = 25,374,496,707,984,441,344/5,490,635,105.49 - Step 6: Final answer
x = 4,621,413,774.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.