Finding the Fourth Proportional to 432,664,687.62, 649,645,388.64 and 374,551,614
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Solution
The fourth proportional to 432,664,687.62, 649,645,388.64 and 374,551,614 is: 562,388,694.54
Step by Step Solution
- Step 1: Write the proportion equation
432,664,687.62 : 649,645,388.64 = 374,551,614 : x - Step 2: Convert to fraction form
432,664,687.62/649,645,388.64 = 374,551,614/x - Step 3: Cross multiply
432,664,687.62x = 649,645,388.64 × 374,551,614 - Step 4: Simplify right side
432,664,687.62x = 243,325,728,842,769,248 - Step 5: Solve for x
x = 243,325,728,842,769,248/432,664,687.62 - Step 6: Final answer
x = 562,388,694.54
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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.