Finding the Fourth Proportional to 354,824,286.80, 532,236,430.20 and 328,282,206.80
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Solution
The fourth proportional to 354,824,286.80, 532,236,430.20 and 328,282,206.80 is: 492,423,310.20
Step by Step Solution
- Step 1: Write the proportion equation
354,824,286.80 : 532,236,430.20 = 328,282,206.80 : x - Step 2: Convert to fraction form
354,824,286.80/532,236,430.20 = 328,282,206.80/x - Step 3: Cross multiply
354,824,286.80x = 532,236,430.20 × 328,282,206.80 - Step 4: Simplify right side
354,824,286.80x = 174,723,749,845,410,176 - Step 5: Solve for x
x = 174,723,749,845,410,176/354,824,286.80 - Step 6: Final answer
x = 492,423,310.20
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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.