Finding the Fourth Proportional to 372,093,683.18, 513,495,813.08 and 202,552,796.21
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Solution
The fourth proportional to 372,093,683.18, 513,495,813.08 and 202,552,796.21 is: 279,526,413.60
Step by Step Solution
- Step 1: Write the proportion equation
372,093,683.18 : 513,495,813.08 = 202,552,796.21 : x - Step 2: Convert to fraction form
372,093,683.18/513,495,813.08 = 202,552,796.21/x - Step 3: Cross multiply
372,093,683.18x = 513,495,813.08 × 202,552,796.21 - Step 4: Simplify right side
372,093,683.18x = 104,010,012,779,420,400 - Step 5: Solve for x
x = 104,010,012,779,420,400/372,093,683.18 - Step 6: Final answer
x = 279,526,413.60
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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.