Finding the Fourth Proportional to 759,125,760.36, 1,138,738,604.09 and 198,901,307.22
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Solution
The fourth proportional to 759,125,760.36, 1,138,738,604.09 and 198,901,307.22 is: 298,365,051.95
Step by Step Solution
- Step 1: Write the proportion equation
759,125,760.36 : 1,138,738,604.09 = 198,901,307.22 : x - Step 2: Convert to fraction form
759,125,760.36/1,138,738,604.09 = 198,901,307.22/x - Step 3: Cross multiply
759,125,760.36x = 1,138,738,604.09 × 198,901,307.22 - Step 4: Simplify right side
759,125,760.36x = 226,496,596,929,426,784 - Step 5: Solve for x
x = 226,496,596,929,426,784/759,125,760.36 - Step 6: Final answer
x = 298,365,051.95
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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.