Finding the Fourth Proportional to 758,543,291.44, 1,137,815,376.74 and 213,284,825.44
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Solution
The fourth proportional to 758,543,291.44, 1,137,815,376.74 and 213,284,825.44 is: 319,927,361.76
Step by Step Solution
- Step 1: Write the proportion equation
758,543,291.44 : 1,137,815,376.74 = 213,284,825.44 : x - Step 2: Convert to fraction form
758,543,291.44/1,137,815,376.74 = 213,284,825.44/x - Step 3: Cross multiply
758,543,291.44x = 1,137,815,376.74 × 213,284,825.44 - Step 4: Simplify right side
758,543,291.44x = 242,678,754,010,938,720 - Step 5: Solve for x
x = 242,678,754,010,938,720/758,543,291.44 - Step 6: Final answer
x = 319,927,361.76
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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.