Finding the Fourth Proportional to 292,032,821.70, 438,049,232.55 and 244,257,077.70
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Solution
The fourth proportional to 292,032,821.70, 438,049,232.55 and 244,257,077.70 is: 366,385,616.55
Step by Step Solution
- Step 1: Write the proportion equation
292,032,821.70 : 438,049,232.55 = 244,257,077.70 : x - Step 2: Convert to fraction form
292,032,821.70/438,049,232.55 = 244,257,077.70/x - Step 3: Cross multiply
292,032,821.70x = 438,049,232.55 × 244,257,077.70 - Step 4: Simplify right side
292,032,821.70x = 106,996,625,431,390,720 - Step 5: Solve for x
x = 106,996,625,431,390,720/292,032,821.70 - Step 6: Final answer
x = 366,385,616.55
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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.