Finding the Fourth Proportional to 1,522,302,382.80, 2,283,705,516.60 and 649,321,966.80
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Solution
The fourth proportional to 1,522,302,382.80, 2,283,705,516.60 and 649,321,966.80 is: 974,090,413.56
Step by Step Solution
- Step 1: Write the proportion equation
1,522,302,382.80 : 2,283,705,516.60 = 649,321,966.80 : x - Step 2: Convert to fraction form
1,522,302,382.80/2,283,705,516.60 = 649,321,966.80/x - Step 3: Cross multiply
1,522,302,382.80x = 2,283,705,516.60 × 649,321,966.80 - Step 4: Simplify right side
1,522,302,382.80x = 1,482,860,157,630,721,792 - Step 5: Solve for x
x = 1,482,860,157,630,721,792/1,522,302,382.80 - Step 6: Final answer
x = 974,090,413.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.