Finding the Fourth Proportional to 3,984,073,046.40, 5,977,005,364.80 and 1,223,829,436.80
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Solution
The fourth proportional to 3,984,073,046.40, 5,977,005,364.80 and 1,223,829,436.80 is: 1,836,019,325.99
Step by Step Solution
- Step 1: Write the proportion equation
3,984,073,046.40 : 5,977,005,364.80 = 1,223,829,436.80 : x - Step 2: Convert to fraction form
3,984,073,046.40/5,977,005,364.80 = 1,223,829,436.80/x - Step 3: Cross multiply
3,984,073,046.40x = 5,977,005,364.80 × 1,223,829,436.80 - Step 4: Simplify right side
3,984,073,046.40x = 7,314,835,109,353,762,816 - Step 5: Solve for x
x = 7,314,835,109,353,762,816/3,984,073,046.40 - Step 6: Final answer
x = 1,836,019,325.99
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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.