Finding the Fourth Proportional to 2,136,133,656.12, 3,198,459,754.98 and 1,355,553,115.32
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Solution
The fourth proportional to 2,136,133,656.12, 3,198,459,754.98 and 1,355,553,115.32 is: 2,029,686,706.48
Step by Step Solution
- Step 1: Write the proportion equation
2,136,133,656.12 : 3,198,459,754.98 = 1,355,553,115.32 : x - Step 2: Convert to fraction form
2,136,133,656.12/3,198,459,754.98 = 1,355,553,115.32/x - Step 3: Cross multiply
2,136,133,656.12x = 3,198,459,754.98 × 1,355,553,115.32 - Step 4: Simplify right side
2,136,133,656.12x = 4,335,682,085,088,782,848 - Step 5: Solve for x
x = 4,335,682,085,088,782,848/2,136,133,656.12 - Step 6: Final answer
x = 2,029,686,706.48
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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.