Finding the Fourth Proportional to 560,168,557.73, 773,033,679.38 and 309,273,434.99
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Solution
The fourth proportional to 560,168,557.73, 773,033,679.38 and 309,273,434.99 is: 426,797,930.88
Step by Step Solution
- Step 1: Write the proportion equation
560,168,557.73 : 773,033,679.38 = 309,273,434.99 : x - Step 2: Convert to fraction form
560,168,557.73/773,033,679.38 = 309,273,434.99/x - Step 3: Cross multiply
560,168,557.73x = 773,033,679.38 × 309,273,434.99 - Step 4: Simplify right side
560,168,557.73x = 239,078,781,383,264,576 - Step 5: Solve for x
x = 239,078,781,383,264,576/560,168,557.73 - Step 6: Final answer
x = 426,797,930.88
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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.