Finding the Fourth Proportional to 2,251,260,829.36, 3,106,740,239.01 and 1,247,743,184.17
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Solution
The fourth proportional to 2,251,260,829.36, 3,106,740,239.01 and 1,247,743,184.17 is: 1,721,885,757.38
Step by Step Solution
- Step 1: Write the proportion equation
2,251,260,829.36 : 3,106,740,239.01 = 1,247,743,184.17 : x - Step 2: Convert to fraction form
2,251,260,829.36/3,106,740,239.01 = 1,247,743,184.17/x - Step 3: Cross multiply
2,251,260,829.36x = 3,106,740,239.01 × 1,247,743,184.17 - Step 4: Simplify right side
2,251,260,829.36x = 3,876,413,958,211,404,800 - Step 5: Solve for x
x = 3,876,413,958,211,404,800/2,251,260,829.36 - Step 6: Final answer
x = 1,721,885,757.38
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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.