Finding the Fourth Proportional to 3,653,825,266.32, 5,042,283,732.84 and 1,983,074,407.44
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Solution
The fourth proportional to 3,653,825,266.32, 5,042,283,732.84 and 1,983,074,407.44 is: 2,736,645,322.87
Step by Step Solution
- Step 1: Write the proportion equation
3,653,825,266.32 : 5,042,283,732.84 = 1,983,074,407.44 : x - Step 2: Convert to fraction form
3,653,825,266.32/5,042,283,732.84 = 1,983,074,407.44/x - Step 3: Cross multiply
3,653,825,266.32x = 5,042,283,732.84 × 1,983,074,407.44 - Step 4: Simplify right side
3,653,825,266.32x = 9,999,223,825,646,034,944 - Step 5: Solve for x
x = 9,999,223,825,646,034,944/3,653,825,266.32 - Step 6: Final answer
x = 2,736,645,322.87
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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.