Finding the Fourth Proportional to 332,426,408.40, 498,639,612.60 and 194,676,901.20
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Solution
The fourth proportional to 332,426,408.40, 498,639,612.60 and 194,676,901.20 is: 292,015,351.80
Step by Step Solution
- Step 1: Write the proportion equation
332,426,408.40 : 498,639,612.60 = 194,676,901.20 : x - Step 2: Convert to fraction form
332,426,408.40/498,639,612.60 = 194,676,901.20/x - Step 3: Cross multiply
332,426,408.40x = 498,639,612.60 × 194,676,901.20 - Step 4: Simplify right side
332,426,408.40x = 97,073,614,596,536,480 - Step 5: Solve for x
x = 97,073,614,596,536,480/332,426,408.40 - Step 6: Final answer
x = 292,015,351.80
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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.