Finding the Fourth Proportional to 837,176,636.93, 1,255,764,954.98 and 312,586,706.63
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Solution
The fourth proportional to 837,176,636.93, 1,255,764,954.98 and 312,586,706.63 is: 468,880,059.78
Step by Step Solution
- Step 1: Write the proportion equation
837,176,636.93 : 1,255,764,954.98 = 312,586,706.63 : x - Step 2: Convert to fraction form
837,176,636.93/1,255,764,954.98 = 312,586,706.63/x - Step 3: Cross multiply
837,176,636.93x = 1,255,764,954.98 × 312,586,706.63 - Step 4: Simplify right side
837,176,636.93x = 392,535,431,570,726,656 - Step 5: Solve for x
x = 392,535,431,570,726,656/837,176,636.93 - Step 6: Final answer
x = 468,880,059.78
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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.