Finding the Fourth Proportional to 534,235,620.40, 801,353,430.60 and 330,162,276.40
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Solution
The fourth proportional to 534,235,620.40, 801,353,430.60 and 330,162,276.40 is: 495,243,414.60
Step by Step Solution
- Step 1: Write the proportion equation
534,235,620.40 : 801,353,430.60 = 330,162,276.40 : x - Step 2: Convert to fraction form
534,235,620.40/801,353,430.60 = 330,162,276.40/x - Step 3: Cross multiply
534,235,620.40x = 801,353,430.60 × 330,162,276.40 - Step 4: Simplify right side
534,235,620.40x = 264,576,672,847,845,408 - Step 5: Solve for x
x = 264,576,672,847,845,408/534,235,620.40 - Step 6: Final answer
x = 495,243,414.60
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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.