Finding the Fourth Proportional to 734,121,413.36, 1,013,114,280.48 and 399,577,765.97
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Solution
The fourth proportional to 734,121,413.36, 1,013,114,280.48 and 399,577,765.97 is: 551,431,866.04
Step by Step Solution
- Step 1: Write the proportion equation
734,121,413.36 : 1,013,114,280.48 = 399,577,765.97 : x - Step 2: Convert to fraction form
734,121,413.36/1,013,114,280.48 = 399,577,765.97/x - Step 3: Cross multiply
734,121,413.36x = 1,013,114,280.48 × 399,577,765.97 - Step 4: Simplify right side
734,121,413.36x = 404,817,940,867,516,800 - Step 5: Solve for x
x = 404,817,940,867,516,800/734,121,413.36 - Step 6: Final answer
x = 551,431,866.04
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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.