Finding the Fourth Proportional to 629,861,423.40, 944,792,135.10 and 193,229,497.80
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Solution
The fourth proportional to 629,861,423.40, 944,792,135.10 and 193,229,497.80 is: 289,844,246.70
Step by Step Solution
- Step 1: Write the proportion equation
629,861,423.40 : 944,792,135.10 = 193,229,497.80 : x - Step 2: Convert to fraction form
629,861,423.40/944,792,135.10 = 193,229,497.80/x - Step 3: Cross multiply
629,861,423.40x = 944,792,135.10 × 193,229,497.80 - Step 4: Simplify right side
629,861,423.40x = 182,561,709,790,762,784 - Step 5: Solve for x
x = 182,561,709,790,762,784/629,861,423.40 - Step 6: Final answer
x = 289,844,246.70
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1.5x scale
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.