Finding the Fourth Proportional to 699,442,022.80, 1,049,163,034.20 and 214,704,845.20
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Solution
The fourth proportional to 699,442,022.80, 1,049,163,034.20 and 214,704,845.20 is: 322,057,267.80
Step by Step Solution
- Step 1: Write the proportion equation
699,442,022.80 : 1,049,163,034.20 = 214,704,845.20 : x - Step 2: Convert to fraction form
699,442,022.80/1,049,163,034.20 = 214,704,845.20/x - Step 3: Cross multiply
699,442,022.80x = 1,049,163,034.20 × 214,704,845.20 - Step 4: Simplify right side
699,442,022.80x = 225,260,386,847,473,312 - Step 5: Solve for x
x = 225,260,386,847,473,312/699,442,022.80 - Step 6: Final answer
x = 322,057,267.80
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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.