Finding the Fourth Proportional to 5,318,976,579.84, 7,340,916,803.04 and 3,060,869,725.44
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Solution
The fourth proportional to 5,318,976,579.84, 7,340,916,803.04 and 3,060,869,725.44 is: 4,224,419,803.72
Step by Step Solution
- Step 1: Write the proportion equation
5,318,976,579.84 : 7,340,916,803.04 = 3,060,869,725.44 : x - Step 2: Convert to fraction form
5,318,976,579.84/7,340,916,803.04 = 3,060,869,725.44/x - Step 3: Cross multiply
5,318,976,579.84x = 7,340,916,803.04 × 3,060,869,725.44 - Step 4: Simplify right side
5,318,976,579.84x = 22,469,589,999,398,928,384 - Step 5: Solve for x
x = 22,469,589,999,398,928,384/5,318,976,579.84 - Step 6: Final answer
x = 4,224,419,803.72
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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.