Finding the Fourth Proportional to 4,973,397,764.36, 6,866,386,320.56 and 3,165,929,473
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Solution
The fourth proportional to 4,973,397,764.36, 6,866,386,320.56 and 3,165,929,473 is: 4,370,954,396.82
Step by Step Solution
- Step 1: Write the proportion equation
4,973,397,764.36 : 6,866,386,320.56 = 3,165,929,473 : x - Step 2: Convert to fraction form
4,973,397,764.36/6,866,386,320.56 = 3,165,929,473/x - Step 3: Cross multiply
4,973,397,764.36x = 6,866,386,320.56 × 3,165,929,473 - Step 4: Simplify right side
4,973,397,764.36x = 21,738,494,825,264,930,816 - Step 5: Solve for x
x = 21,738,494,825,264,930,816/4,973,397,764.36 - Step 6: Final answer
x = 4,370,954,396.82
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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.