Finding the Fourth Proportional to 2,685,446,664.88, 3,679,075,056.40 and 2,584,796,730.12
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Solution
The fourth proportional to 2,685,446,664.88, 3,679,075,056.40 and 2,584,796,730.12 is: 3,541,184,153.84
Step by Step Solution
- Step 1: Write the proportion equation
2,685,446,664.88 : 3,679,075,056.40 = 2,584,796,730.12 : x - Step 2: Convert to fraction form
2,685,446,664.88/3,679,075,056.40 = 2,584,796,730.12/x - Step 3: Cross multiply
2,685,446,664.88x = 3,679,075,056.40 × 2,584,796,730.12 - Step 4: Simplify right side
2,685,446,664.88x = 9,509,661,175,648,774,144 - Step 5: Solve for x
x = 9,509,661,175,648,774,144/2,685,446,664.88 - Step 6: Final answer
x = 3,541,184,153.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.