Finding the Fourth Proportional to 1,727,203,243.20, 2,383,335,637.92 and 974,472,541.44
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Solution
The fourth proportional to 1,727,203,243.20, 2,383,335,637.92 and 974,472,541.44 is: 1,344,656,539.60
Step by Step Solution
- Step 1: Write the proportion equation
1,727,203,243.20 : 2,383,335,637.92 = 974,472,541.44 : x - Step 2: Convert to fraction form
1,727,203,243.20/2,383,335,637.92 = 974,472,541.44/x - Step 3: Cross multiply
1,727,203,243.20x = 2,383,335,637.92 × 974,472,541.44 - Step 4: Simplify right side
1,727,203,243.20x = 2,322,495,136,188,426,240 - Step 5: Solve for x
x = 2,322,495,136,188,426,240/1,727,203,243.20 - Step 6: Final answer
x = 1,344,656,539.60
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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.