Finding the Fourth Proportional to 4,019,655,089.92, 5,543,274,330.30 and 2,661,138,497.92
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Solution
The fourth proportional to 4,019,655,089.92, 5,543,274,330.30 and 2,661,138,497.92 is: 3,669,822,508.38
Step by Step Solution
- Step 1: Write the proportion equation
4,019,655,089.92 : 5,543,274,330.30 = 2,661,138,497.92 : x - Step 2: Convert to fraction form
4,019,655,089.92/5,543,274,330.30 = 2,661,138,497.92/x - Step 3: Cross multiply
4,019,655,089.92x = 5,543,274,330.30 × 2,661,138,497.92 - Step 4: Simplify right side
4,019,655,089.92x = 14,751,420,724,893,036,544 - Step 5: Solve for x
x = 14,751,420,724,893,036,544/4,019,655,089.92 - Step 6: Final answer
x = 3,669,822,508.38
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Double scale
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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.