Finding the Fourth Proportional to 2,102,195,891.70, 3,153,293,837.55 and 2,102,195,891.70
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Solution
The fourth proportional to 2,102,195,891.70, 3,153,293,837.55 and 2,102,195,891.70 is: 3,153,293,837.55
Step by Step Solution
- Step 1: Write the proportion equation
2,102,195,891.70 : 3,153,293,837.55 = 2,102,195,891.70 : x - Step 2: Convert to fraction form
2,102,195,891.70/3,153,293,837.55 = 2,102,195,891.70/x - Step 3: Cross multiply
2,102,195,891.70x = 3,153,293,837.55 × 2,102,195,891.70 - Step 4: Simplify right side
2,102,195,891.70x = 6,628,841,350,620,537,856 - Step 5: Solve for x
x = 6,628,841,350,620,537,856/2,102,195,891.70 - Step 6: Final answer
x = 3,153,293,837.55
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Double scale
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1.5x scale
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.