Finding the Fourth Proportional to 3,748,049,841.87, 5,622,706,826.97 and 1,260,319,405.91
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Solution
The fourth proportional to 3,748,049,841.87, 5,622,706,826.97 and 1,260,319,405.91 is: 1,890,691,646.78
Step by Step Solution
- Step 1: Write the proportion equation
3,748,049,841.87 : 5,622,706,826.97 = 1,260,319,405.91 : x - Step 2: Convert to fraction form
3,748,049,841.87/5,622,706,826.97 = 1,260,319,405.91/x - Step 3: Cross multiply
3,748,049,841.87x = 5,622,706,826.97 × 1,260,319,405.91 - Step 4: Simplify right side
3,748,049,841.87x = 7,086,406,527,739,776,000 - Step 5: Solve for x
x = 7,086,406,527,739,776,000/3,748,049,841.87 - Step 6: Final answer
x = 1,890,691,646.78
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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.