Finding the Fourth Proportional to 2,015,498,598.63, 2,782,581,172.02 and 1,791,862,580.40
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Solution
The fourth proportional to 2,015,498,598.63, 2,782,581,172.02 and 1,791,862,580.40 is: 2,473,831,082.02
Step by Step Solution
- Step 1: Write the proportion equation
2,015,498,598.63 : 2,782,581,172.02 = 1,791,862,580.40 : x - Step 2: Convert to fraction form
2,015,498,598.63/2,782,581,172.02 = 1,791,862,580.40/x - Step 3: Cross multiply
2,015,498,598.63x = 2,782,581,172.02 × 1,791,862,580.40 - Step 4: Simplify right side
2,015,498,598.63x = 4,986,003,079,068,213,248 - Step 5: Solve for x
x = 4,986,003,079,068,213,248/2,015,498,598.63 - Step 6: Final answer
x = 2,473,831,082.02
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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.