Finding the Fourth Proportional to 1,762,029,703,332.40, 2,431,601,107,529.50 and 980,746,064,121.80
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Solution
The fourth proportional to 1,762,029,703,332.40, 2,431,601,107,529.50 and 980,746,064,121.80 is: 1,353,429,633,571.78
Step by Step Solution
- Step 1: Write the proportion equation
1,762,029,703,332.40 : 2,431,601,107,529.50 = 980,746,064,121.80 : x - Step 2: Convert to fraction form
1,762,029,703,332.40/2,431,601,107,529.50 = 980,746,064,121.80/x - Step 3: Cross multiply
1,762,029,703,332.40x = 2,431,601,107,529.50 × 980,746,064,121.80 - Step 4: Simplify right side
1,762,029,703,332.40x = 2,384,783,215,723,766,957,998,080 - Step 5: Solve for x
x = 2,384,783,215,723,766,957,998,080/1,762,029,703,332.40 - Step 6: Final answer
x = 1,353,429,633,571.78
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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.