Finding the Fourth Proportional to 368,424,276,918.93, 552,647,673,858.90 and 126,397,992,120.95
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Solution
The fourth proportional to 368,424,276,918.93, 552,647,673,858.90 and 126,397,992,120.95 is: 189,600,850,710.09
Step by Step Solution
- Step 1: Write the proportion equation
368,424,276,918.93 : 552,647,673,858.90 = 126,397,992,120.95 : x - Step 2: Convert to fraction form
368,424,276,918.93/552,647,673,858.90 = 126,397,992,120.95/x - Step 3: Cross multiply
368,424,276,918.93x = 552,647,673,858.90 × 126,397,992,120.95 - Step 4: Simplify right side
368,424,276,918.93x = 69,853,556,326,078,590,484,480 - Step 5: Solve for x
x = 69,853,556,326,078,590,484,480/368,424,276,918.93 - Step 6: Final answer
x = 189,600,850,710.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.