Finding the Fourth Proportional to 2,210,347,915.49, 3,310,236,290.79 and 1,274,834,546.12
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Solution
The fourth proportional to 2,210,347,915.49, 3,310,236,290.79 and 1,274,834,546.12 is: 1,909,203,320.32
Step by Step Solution
- Step 1: Write the proportion equation
2,210,347,915.49 : 3,310,236,290.79 = 1,274,834,546.12 : x - Step 2: Convert to fraction form
2,210,347,915.49/3,310,236,290.79 = 1,274,834,546.12/x - Step 3: Cross multiply
2,210,347,915.49x = 3,310,236,290.79 × 1,274,834,546.12 - Step 4: Simplify right side
2,210,347,915.49x = 4,220,003,579,302,670,848 - Step 5: Solve for x
x = 4,220,003,579,302,670,848/2,210,347,915.49 - Step 6: Final answer
x = 1,909,203,320.32
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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.