Finding the Fourth Proportional to 1,225,283,082.44, 1,690,901,445.36 and 668,368,606.28
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Solution
The fourth proportional to 1,225,283,082.44, 1,690,901,445.36 and 668,368,606.28 is: 922,354,563.27
Step by Step Solution
- Step 1: Write the proportion equation
1,225,283,082.44 : 1,690,901,445.36 = 668,368,606.28 : x - Step 2: Convert to fraction form
1,225,283,082.44/1,690,901,445.36 = 668,368,606.28/x - Step 3: Cross multiply
1,225,283,082.44x = 1,690,901,445.36 × 668,368,606.28 - Step 4: Simplify right side
1,225,283,082.44x = 1,130,145,442,392,100,608 - Step 5: Solve for x
x = 1,130,145,442,392,100,608/1,225,283,082.44 - Step 6: Final answer
x = 922,354,563.27
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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.