Finding the Fourth Proportional to 605,596,328.36, 835,878,427.56 and 394,429,368
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Solution
The fourth proportional to 605,596,328.36, 835,878,427.56 and 394,429,368 is: 544,413,802.51
Step by Step Solution
- Step 1: Write the proportion equation
605,596,328.36 : 835,878,427.56 = 394,429,368 : x - Step 2: Convert to fraction form
605,596,328.36/835,878,427.56 = 394,429,368/x - Step 3: Cross multiply
605,596,328.36x = 835,878,427.56 × 394,429,368 - Step 4: Simplify right side
605,596,328.36x = 329,694,999,907,324,544 - Step 5: Solve for x
x = 329,694,999,907,324,544/605,596,328.36 - Step 6: Final answer
x = 544,413,802.51
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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.