Finding the Fourth Proportional to 324,725,186.70, 487,087,770.64 and 149,796,464.90
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Solution
The fourth proportional to 324,725,186.70, 487,087,770.64 and 149,796,464.90 is: 224,694,693.01
Step by Step Solution
- Step 1: Write the proportion equation
324,725,186.70 : 487,087,770.64 = 149,796,464.90 : x - Step 2: Convert to fraction form
324,725,186.70/487,087,770.64 = 149,796,464.90/x - Step 3: Cross multiply
324,725,186.70x = 487,087,770.64 × 149,796,464.90 - Step 4: Simplify right side
324,725,186.70x = 72,964,026,137,894,016 - Step 5: Solve for x
x = 72,964,026,137,894,016/324,725,186.70 - Step 6: Final answer
x = 224,694,693.01
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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.