Finding the Fourth Proportional to 1,822,540,574.15, 2,733,790,932.12 and 442,355,082.09
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Solution
The fourth proportional to 1,822,540,574.15, 2,733,790,932.12 and 442,355,082.09 is: 663,527,786.07
Step by Step Solution
- Step 1: Write the proportion equation
1,822,540,574.15 : 2,733,790,932.12 = 442,355,082.09 : x - Step 2: Convert to fraction form
1,822,540,574.15/2,733,790,932.12 = 442,355,082.09/x - Step 3: Cross multiply
1,822,540,574.15x = 2,733,790,932.12 × 442,355,082.09 - Step 4: Simplify right side
1,822,540,574.15x = 1,209,306,312,194,840,064 - Step 5: Solve for x
x = 1,209,306,312,194,840,064/1,822,540,574.15 - Step 6: Final answer
x = 663,527,786.07
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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.