Finding the Fourth Proportional to 3,716,509,415.63, 5,128,918,326.47 and 2,022,882,260.74
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Solution
The fourth proportional to 3,716,509,415.63, 5,128,918,326.47 and 2,022,882,260.74 is: 2,791,651,181.02
Step by Step Solution
- Step 1: Write the proportion equation
3,716,509,415.63 : 5,128,918,326.47 = 2,022,882,260.74 : x - Step 2: Convert to fraction form
3,716,509,415.63/5,128,918,326.47 = 2,022,882,260.74/x - Step 3: Cross multiply
3,716,509,415.63x = 5,128,918,326.47 × 2,022,882,260.74 - Step 4: Simplify right side
3,716,509,415.63x = 10,375,197,899,392,997,376 - Step 5: Solve for x
x = 10,375,197,899,392,997,376/3,716,509,415.63 - Step 6: Final answer
x = 2,791,651,181.02
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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.