Finding the Fourth Proportional to 605,596,326.36, 835,878,424.80 and 394,429,366
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Solution
The fourth proportional to 605,596,326.36, 835,878,424.80 and 394,429,366 is: 544,413,799.75
Step by Step Solution
- Step 1: Write the proportion equation
605,596,326.36 : 835,878,424.80 = 394,429,366 : x - Step 2: Convert to fraction form
605,596,326.36/835,878,424.80 = 394,429,366/x - Step 3: Cross multiply
605,596,326.36x = 835,878,424.80 × 394,429,366 - Step 4: Simplify right side
605,596,326.36x = 329,694,997,146,942,656 - Step 5: Solve for x
x = 329,694,997,146,942,656/605,596,326.36 - Step 6: Final answer
x = 544,413,799.75
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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.