Finding the Fourth Proportional to 466,294,682.20, 699,442,023.30 and 143,136,563.80
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Solution
The fourth proportional to 466,294,682.20, 699,442,023.30 and 143,136,563.80 is: 214,704,845.70
Step by Step Solution
- Step 1: Write the proportion equation
466,294,682.20 : 699,442,023.30 = 143,136,563.80 : x - Step 2: Convert to fraction form
466,294,682.20/699,442,023.30 = 143,136,563.80/x - Step 3: Cross multiply
466,294,682.20x = 699,442,023.30 × 143,136,563.80 - Step 4: Simplify right side
466,294,682.20x = 100,115,727,792,481,536 - Step 5: Solve for x
x = 100,115,727,792,481,536/466,294,682.20 - Step 6: Final answer
x = 214,704,845.70
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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.