Finding the Fourth Proportional to 2,790,612,110.80, 4,185,918,166.20 and 2,274,051,458.80
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Solution
The fourth proportional to 2,790,612,110.80, 4,185,918,166.20 and 2,274,051,458.80 is: 3,411,077,188.20
Step by Step Solution
- Step 1: Write the proportion equation
2,790,612,110.80 : 4,185,918,166.20 = 2,274,051,458.80 : x - Step 2: Convert to fraction form
2,790,612,110.80/4,185,918,166.20 = 2,274,051,458.80/x - Step 3: Cross multiply
2,790,612,110.80x = 4,185,918,166.20 × 2,274,051,458.80 - Step 4: Simplify right side
2,790,612,110.80x = 9,518,993,312,264,531,968 - Step 5: Solve for x
x = 9,518,993,312,264,531,968/2,790,612,110.80 - Step 6: Final answer
x = 3,411,077,188.20
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1.5x scale
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.