Finding the Fourth Proportional to 3,972,466,334.88, 5,482,173,622.80 and 2,212,333,737.12
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Solution
The fourth proportional to 3,972,466,334.88, 5,482,173,622.80 and 2,212,333,737.12 is: 3,053,115,278.03
Step by Step Solution
- Step 1: Write the proportion equation
3,972,466,334.88 : 5,482,173,622.80 = 2,212,333,737.12 : x - Step 2: Convert to fraction form
3,972,466,334.88/5,482,173,622.80 = 2,212,333,737.12/x - Step 3: Cross multiply
3,972,466,334.88x = 5,482,173,622.80 × 2,212,333,737.12 - Step 4: Simplify right side
3,972,466,334.88x = 12,128,397,658,469,812,224 - Step 5: Solve for x
x = 12,128,397,658,469,812,224/3,972,466,334.88 - Step 6: Final answer
x = 3,053,115,278.03
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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.