Finding the Fourth Proportional to 2,621,511,898.44, 3,618,548,555.39 and 2,086,644,681.46
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Solution
The fourth proportional to 2,621,511,898.44, 3,618,548,555.39 and 2,086,644,681.46 is: 2,880,255,894.40
Step by Step Solution
- Step 1: Write the proportion equation
2,621,511,898.44 : 3,618,548,555.39 = 2,086,644,681.46 : x - Step 2: Convert to fraction form
2,621,511,898.44/3,618,548,555.39 = 2,086,644,681.46/x - Step 3: Cross multiply
2,621,511,898.44x = 3,618,548,555.39 × 2,086,644,681.46 - Step 4: Simplify right side
2,621,511,898.44x = 7,550,625,097,709,309,952 - Step 5: Solve for x
x = 7,550,625,097,709,309,952/2,621,511,898.44 - Step 6: Final answer
x = 2,880,255,894.40
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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.