Finding the Fourth Proportional to 2,790,944,890.08, 3,851,586,104.58 and 1,537,962,458.64
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Solution
The fourth proportional to 2,790,944,890.08, 3,851,586,104.58 and 1,537,962,458.64 is: 2,122,433,465.50
Step by Step Solution
- Step 1: Write the proportion equation
2,790,944,890.08 : 3,851,586,104.58 = 1,537,962,458.64 : x - Step 2: Convert to fraction form
2,790,944,890.08/3,851,586,104.58 = 1,537,962,458.64/x - Step 3: Cross multiply
2,790,944,890.08x = 3,851,586,104.58 × 1,537,962,458.64 - Step 4: Simplify right side
2,790,944,890.08x = 5,923,594,835,063,517,184 - Step 5: Solve for x
x = 5,923,594,835,063,517,184/2,790,944,890.08 - Step 6: Final answer
x = 2,122,433,465.50
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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.