Finding the Fourth Proportional to 3,899,633,179.08, 5,381,493,787.24 and 2,228,918,192.94
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Solution
The fourth proportional to 3,899,633,179.08, 5,381,493,787.24 and 2,228,918,192.94 is: 3,075,907,106.32
Step by Step Solution
- Step 1: Write the proportion equation
3,899,633,179.08 : 5,381,493,787.24 = 2,228,918,192.94 : x - Step 2: Convert to fraction form
3,899,633,179.08/5,381,493,787.24 = 2,228,918,192.94/x - Step 3: Cross multiply
3,899,633,179.08x = 5,381,493,787.24 × 2,228,918,192.94 - Step 4: Simplify right side
3,899,633,179.08x = 11,994,909,407,572,817,920 - Step 5: Solve for x
x = 11,994,909,407,572,817,920/3,899,633,179.08 - Step 6: Final answer
x = 3,075,907,106.32
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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.