Finding the Fourth Proportional to 442,728,637.40, 610,959,142.32 and 244,498,520
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Solution
The fourth proportional to 442,728,637.40, 610,959,142.32 and 244,498,520 is: 337,404,435.72
Step by Step Solution
- Step 1: Write the proportion equation
442,728,637.40 : 610,959,142.32 = 244,498,520 : x - Step 2: Convert to fraction form
442,728,637.40/610,959,142.32 = 244,498,520/x - Step 3: Cross multiply
442,728,637.40x = 610,959,142.32 × 244,498,520 - Step 4: Simplify right side
442,728,637.40x = 149,378,606,077,709,376 - Step 5: Solve for x
x = 149,378,606,077,709,376/442,728,637.40 - Step 6: Final answer
x = 337,404,435.72
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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.