Finding the Fourth Proportional to 454,351,804.20, 681,527,706.30 and 282,359,125.80
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Solution
The fourth proportional to 454,351,804.20, 681,527,706.30 and 282,359,125.80 is: 423,538,688.70
Step by Step Solution
- Step 1: Write the proportion equation
454,351,804.20 : 681,527,706.30 = 282,359,125.80 : x - Step 2: Convert to fraction form
454,351,804.20/681,527,706.30 = 282,359,125.80/x - Step 3: Cross multiply
454,351,804.20x = 681,527,706.30 × 282,359,125.80 - Step 4: Simplify right side
454,351,804.20x = 192,435,567,359,347,136 - Step 5: Solve for x
x = 192,435,567,359,347,136/454,351,804.20 - Step 6: Final answer
x = 423,538,688.70
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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.