Finding the Fourth Proportional to 1,995,264,821.80, 2,992,897,232.70 and 1,636,946,741.80
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Solution
The fourth proportional to 1,995,264,821.80, 2,992,897,232.70 and 1,636,946,741.80 is: 2,455,420,112.70
Step by Step Solution
- Step 1: Write the proportion equation
1,995,264,821.80 : 2,992,897,232.70 = 1,636,946,741.80 : x - Step 2: Convert to fraction form
1,995,264,821.80/2,992,897,232.70 = 1,636,946,741.80/x - Step 3: Cross multiply
1,995,264,821.80x = 2,992,897,232.70 × 1,636,946,741.80 - Step 4: Simplify right side
1,995,264,821.80x = 4,899,213,373,610,501,120 - Step 5: Solve for x
x = 4,899,213,373,610,501,120/1,995,264,821.80 - Step 6: Final answer
x = 2,455,420,112.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.