Finding the Fourth Proportional to 608,018,695.93, 839,067,036.80 and 329,560,408.09
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Solution
The fourth proportional to 608,018,695.93, 839,067,036.80 and 329,560,408.09 is: 454,794,033.33
Step by Step Solution
- Step 1: Write the proportion equation
608,018,695.93 : 839,067,036.80 = 329,560,408.09 : x - Step 2: Convert to fraction form
608,018,695.93/839,067,036.80 = 329,560,408.09/x - Step 3: Cross multiply
608,018,695.93x = 839,067,036.80 × 329,560,408.09 - Step 4: Simplify right side
608,018,695.93x = 276,523,275,062,076,064 - Step 5: Solve for x
x = 276,523,275,062,076,064/608,018,695.93 - Step 6: Final answer
x = 454,794,033.33
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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.