Finding the Fourth Proportional to 292,589,599.20, 438,883,524 and 74,239,519.20
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Solution
The fourth proportional to 292,589,599.20, 438,883,524 and 74,239,519.20 is: 111,359,056.83
Step by Step Solution
- Step 1: Write the proportion equation
292,589,599.20 : 438,883,524 = 74,239,519.20 : x - Step 2: Convert to fraction form
292,589,599.20/438,883,524 = 74,239,519.20/x - Step 3: Cross multiply
292,589,599.20x = 438,883,524 × 74,239,519.20 - Step 4: Simplify right side
292,589,599.20x = 32,582,501,806,561,664 - Step 5: Solve for x
x = 32,582,501,806,561,664/292,589,599.20 - Step 6: Final answer
x = 111,359,056.83
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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.