Finding the Fourth Proportional to 351,083,766.15, 484,821,272.21 and 262,824,538.05
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Solution
The fourth proportional to 351,083,766.15, 484,821,272.21 and 262,824,538.05 is: 362,941,665.75
Step by Step Solution
- Step 1: Write the proportion equation
351,083,766.15 : 484,821,272.21 = 262,824,538.05 : x - Step 2: Convert to fraction form
351,083,766.15/484,821,272.21 = 262,824,538.05/x - Step 3: Cross multiply
351,083,766.15x = 484,821,272.21 × 262,824,538.05 - Step 4: Simplify right side
351,083,766.15x = 127,422,926,904,092,432 - Step 5: Solve for x
x = 127,422,926,904,092,432/351,083,766.15 - Step 6: Final answer
x = 362,941,665.75
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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.