Finding the Fourth Proportional to 2,590,393,516.52, 3,574,743,053.62 and 1,400,962,477.08
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Solution
The fourth proportional to 2,590,393,516.52, 3,574,743,053.62 and 1,400,962,477.08 is: 1,933,328,218.82
Step by Step Solution
- Step 1: Write the proportion equation
2,590,393,516.52 : 3,574,743,053.62 = 1,400,962,477.08 : x - Step 2: Convert to fraction form
2,590,393,516.52/3,574,743,053.62 = 1,400,962,477.08/x - Step 3: Cross multiply
2,590,393,516.52x = 3,574,743,053.62 × 1,400,962,477.08 - Step 4: Simplify right side
2,590,393,516.52x = 5,008,080,883,323,998,208 - Step 5: Solve for x
x = 5,008,080,883,323,998,208/2,590,393,516.52 - Step 6: Final answer
x = 1,933,328,218.82
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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.