Finding the Fourth Proportional to 5,236,228,120.02, 7,225,935,279.18 and 2,857,406,530.44
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Solution
The fourth proportional to 5,236,228,120.02, 7,225,935,279.18 and 2,857,406,530.44 is: 3,943,188,528.46
Step by Step Solution
- Step 1: Write the proportion equation
5,236,228,120.02 : 7,225,935,279.18 = 2,857,406,530.44 : x - Step 2: Convert to fraction form
5,236,228,120.02/7,225,935,279.18 = 2,857,406,530.44/x - Step 3: Cross multiply
5,236,228,120.02x = 7,225,935,279.18 × 2,857,406,530.44 - Step 4: Simplify right side
5,236,228,120.02x = 20,647,434,655,265,718,272 - Step 5: Solve for x
x = 20,647,434,655,265,718,272/5,236,228,120.02 - Step 6: Final answer
x = 3,943,188,528.46
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1.5x scale
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.