Finding the Fourth Proportional to 1,114,083,402.35, 1,537,469,702.91 and 612,283,081.19
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Solution
The fourth proportional to 1,114,083,402.35, 1,537,469,702.91 and 612,283,081.19 is: 844,969,671.88
Step by Step Solution
- Step 1: Write the proportion equation
1,114,083,402.35 : 1,537,469,702.91 = 612,283,081.19 : x - Step 2: Convert to fraction form
1,114,083,402.35/1,537,469,702.91 = 612,283,081.19/x - Step 3: Cross multiply
1,114,083,402.35x = 1,537,469,702.91 × 612,283,081.19 - Step 4: Simplify right side
1,114,083,402.35x = 941,366,686,926,321,280 - Step 5: Solve for x
x = 941,366,686,926,321,280/1,114,083,402.35 - Step 6: Final answer
x = 844,969,671.88
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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.