Finding the Fourth Proportional to 1,548,607,687.20, 2,322,911,530.80 and 1,379,302,394.40
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Solution
The fourth proportional to 1,548,607,687.20, 2,322,911,530.80 and 1,379,302,394.40 is: 2,068,953,591.60
Step by Step Solution
- Step 1: Write the proportion equation
1,548,607,687.20 : 2,322,911,530.80 = 1,379,302,394.40 : x - Step 2: Convert to fraction form
1,548,607,687.20/2,322,911,530.80 = 1,379,302,394.40/x - Step 3: Cross multiply
1,548,607,687.20x = 2,322,911,530.80 × 1,379,302,394.40 - Step 4: Simplify right side
1,548,607,687.20x = 3,203,997,436,411,809,792 - Step 5: Solve for x
x = 3,203,997,436,411,809,792/1,548,607,687.20 - Step 6: Final answer
x = 2,068,953,591.60
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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.