Finding the Fourth Proportional to 921,622,664.07, 1,382,435,326.62 and 376,364,198.07
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Solution
The fourth proportional to 921,622,664.07, 1,382,435,326.62 and 376,364,198.07 is: 564,546,840.45
Step by Step Solution
- Step 1: Write the proportion equation
921,622,664.07 : 1,382,435,326.62 = 376,364,198.07 : x - Step 2: Convert to fraction form
921,622,664.07/1,382,435,326.62 = 376,364,198.07/x - Step 3: Cross multiply
921,622,664.07x = 1,382,435,326.62 × 376,364,198.07 - Step 4: Simplify right side
921,622,664.07x = 520,299,163,086,974,784 - Step 5: Solve for x
x = 520,299,163,086,974,784/921,622,664.07 - Step 6: Final answer
x = 564,546,840.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.