Finding the Fourth Proportional to 1,474,423,704.72, 2,034,690,957.28 and 805,368,493.68
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Solution
The fourth proportional to 1,474,423,704.72, 2,034,690,957.28 and 805,368,493.68 is: 1,111,401,007.81
Step by Step Solution
- Step 1: Write the proportion equation
1,474,423,704.72 : 2,034,690,957.28 = 805,368,493.68 : x - Step 2: Convert to fraction form
1,474,423,704.72/2,034,690,957.28 = 805,368,493.68/x - Step 3: Cross multiply
1,474,423,704.72x = 2,034,690,957.28 × 805,368,493.68 - Step 4: Simplify right side
1,474,423,704.72x = 1,638,675,991,368,910,592 - Step 5: Solve for x
x = 1,638,675,991,368,910,592/1,474,423,704.72 - Step 6: Final answer
x = 1,111,401,007.81
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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.