Finding the Fourth Proportional to 18,145,156,943.80, 27,217,735,415.70 and 14,471,836,751.80
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Solution
The fourth proportional to 18,145,156,943.80, 27,217,735,415.70 and 14,471,836,751.80 is: 21,707,755,127.70
Step by Step Solution
- Step 1: Write the proportion equation
18,145,156,943.80 : 27,217,735,415.70 = 14,471,836,751.80 : x - Step 2: Convert to fraction form
18,145,156,943.80/27,217,735,415.70 = 14,471,836,751.80/x - Step 3: Cross multiply
18,145,156,943.80x = 27,217,735,415.70 × 14,471,836,751.80 - Step 4: Simplify right side
18,145,156,943.80x = 393,890,623,689,695,690,752 - Step 5: Solve for x
x = 393,890,623,689,695,690,752/18,145,156,943.80 - Step 6: Final answer
x = 21,707,755,127.70
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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.