Finding the Fourth Proportional to 346,328,493.54, 477,927,413.87 and 187,557,326.88
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Solution
The fourth proportional to 346,328,493.54, 477,927,413.87 and 187,557,326.88 is: 258,825,911.99
Step by Step Solution
- Step 1: Write the proportion equation
346,328,493.54 : 477,927,413.87 = 187,557,326.88 : x - Step 2: Convert to fraction form
346,328,493.54/477,927,413.87 = 187,557,326.88/x - Step 3: Cross multiply
346,328,493.54x = 477,927,413.87 × 187,557,326.88 - Step 4: Simplify right side
346,328,493.54x = 89,638,788,188,128,640 - Step 5: Solve for x
x = 89,638,788,188,128,640/346,328,493.54 - Step 6: Final answer
x = 258,825,911.99
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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.