Finding the Fourth Proportional to 3,315,361,959.76, 4,970,591,283.20 and 2,004,972,690.18
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Solution
The fourth proportional to 3,315,361,959.76, 4,970,591,283.20 and 2,004,972,690.18 is: 3,005,976,390.46
Step by Step Solution
- Step 1: Write the proportion equation
3,315,361,959.76 : 4,970,591,283.20 = 2,004,972,690.18 : x - Step 2: Convert to fraction form
3,315,361,959.76/4,970,591,283.20 = 2,004,972,690.18/x - Step 3: Cross multiply
3,315,361,959.76x = 4,970,591,283.20 × 2,004,972,690.18 - Step 4: Simplify right side
3,315,361,959.76x = 9,965,899,776,862,763,008 - Step 5: Solve for x
x = 9,965,899,776,862,763,008/3,315,361,959.76 - Step 6: Final answer
x = 3,005,976,390.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.