Finding the Fourth Proportional to 2,813,269,250.94, 4,220,513,262.08 and 847,957,917.66
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Solution
The fourth proportional to 2,813,269,250.94, 4,220,513,262.08 and 847,957,917.66 is: 1,272,120,553.68
Step by Step Solution
- Step 1: Write the proportion equation
2,813,269,250.94 : 4,220,513,262.08 = 847,957,917.66 : x - Step 2: Convert to fraction form
2,813,269,250.94/4,220,513,262.08 = 847,957,917.66/x - Step 3: Cross multiply
2,813,269,250.94x = 4,220,513,262.08 × 847,957,917.66 - Step 4: Simplify right side
2,813,269,250.94x = 3,578,817,637,169,770,496 - Step 5: Solve for x
x = 3,578,817,637,169,770,496/2,813,269,250.94 - Step 6: Final answer
x = 1,272,120,553.68
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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.