Finding the Fourth Proportional to 947,306,578.37, 1,307,685,602.00 and 590,250,765.99
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Solution
The fourth proportional to 947,306,578.37, 1,307,685,602.00 and 590,250,765.99 is: 814,796,862.89
Step by Step Solution
- Step 1: Write the proportion equation
947,306,578.37 : 1,307,685,602.00 = 590,250,765.99 : x - Step 2: Convert to fraction form
947,306,578.37/1,307,685,602.00 = 590,250,765.99/x - Step 3: Cross multiply
947,306,578.37x = 1,307,685,602.00 × 590,250,765.99 - Step 4: Simplify right side
947,306,578.37x = 771,862,428,253,561,728 - Step 5: Solve for x
x = 771,862,428,253,561,728/947,306,578.37 - Step 6: Final answer
x = 814,796,862.89
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1.5x scale
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.