Finding the Fourth Proportional to 836,331,701.94, 1,154,090,366.01 and 465,045,761.70
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Solution
The fourth proportional to 836,331,701.94, 1,154,090,366.01 and 465,045,761.70 is: 641,736,803.81
Step by Step Solution
- Step 1: Write the proportion equation
836,331,701.94 : 1,154,090,366.01 = 465,045,761.70 : x - Step 2: Convert to fraction form
836,331,701.94/1,154,090,366.01 = 465,045,761.70/x - Step 3: Cross multiply
836,331,701.94x = 1,154,090,366.01 × 465,045,761.70 - Step 4: Simplify right side
836,331,701.94x = 536,704,833,331,752,192 - Step 5: Solve for x
x = 536,704,833,331,752,192/836,331,701.94 - Step 6: Final answer
x = 641,736,803.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.