Finding the Fourth Proportional to 5,402,117,670.75, 7,454,922,385.64 and 2,929,722,918.75
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Solution
The fourth proportional to 5,402,117,670.75, 7,454,922,385.64 and 2,929,722,918.75 is: 4,043,017,627.88
Step by Step Solution
- Step 1: Write the proportion equation
5,402,117,670.75 : 7,454,922,385.64 = 2,929,722,918.75 : x - Step 2: Convert to fraction form
5,402,117,670.75/7,454,922,385.64 = 2,929,722,918.75/x - Step 3: Cross multiply
5,402,117,670.75x = 7,454,922,385.64 × 2,929,722,918.75 - Step 4: Simplify right side
5,402,117,670.75x = 21,840,856,970,697,285,632 - Step 5: Solve for x
x = 21,840,856,970,697,285,632/5,402,117,670.75 - Step 6: Final answer
x = 4,043,017,627.88
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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.