Finding the Fourth Proportional to 354,823,519.60, 532,235,279.40 and 201,941,138.80
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Solution
The fourth proportional to 354,823,519.60, 532,235,279.40 and 201,941,138.80 is: 302,911,708.20
Step by Step Solution
- Step 1: Write the proportion equation
354,823,519.60 : 532,235,279.40 = 201,941,138.80 : x - Step 2: Convert to fraction form
354,823,519.60/532,235,279.40 = 201,941,138.80/x - Step 3: Cross multiply
354,823,519.60x = 532,235,279.40 × 201,941,138.80 - Step 4: Simplify right side
354,823,519.60x = 107,480,198,431,572,176 - Step 5: Solve for x
x = 107,480,198,431,572,176/354,823,519.60 - Step 6: Final answer
x = 302,911,708.20
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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.