Finding the Fourth Proportional to 382,705,804.96, 527,968,338.92 and 234,033,425.44
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Solution
The fourth proportional to 382,705,804.96, 527,968,338.92 and 234,033,425.44 is: 322,864,814.90
Step by Step Solution
- Step 1: Write the proportion equation
382,705,804.96 : 527,968,338.92 = 234,033,425.44 : x - Step 2: Convert to fraction form
382,705,804.96/527,968,338.92 = 234,033,425.44/x - Step 3: Cross multiply
382,705,804.96x = 527,968,338.92 × 234,033,425.44 - Step 4: Simplify right side
382,705,804.96x = 123,562,238,881,314,480 - Step 5: Solve for x
x = 123,562,238,881,314,480/382,705,804.96 - Step 6: Final answer
x = 322,864,814.90
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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.