Finding the Fourth Proportional to 454,410,367.30, 681,615,550.95 and 398,290,197.70
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Solution
The fourth proportional to 454,410,367.30, 681,615,550.95 and 398,290,197.70 is: 597,435,296.55
Step by Step Solution
- Step 1: Write the proportion equation
454,410,367.30 : 681,615,550.95 = 398,290,197.70 : x - Step 2: Convert to fraction form
454,410,367.30/681,615,550.95 = 398,290,197.70/x - Step 3: Cross multiply
454,410,367.30x = 681,615,550.95 × 398,290,197.70 - Step 4: Simplify right side
454,410,367.30x = 271,480,792,543,269,920 - Step 5: Solve for x
x = 271,480,792,543,269,920/454,410,367.30 - Step 6: Final answer
x = 597,435,296.55
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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.