Finding the Fourth Proportional to 430,394,512.60, 644,635,175.10 and 372,998,884.60
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Solution
The fourth proportional to 430,394,512.60, 644,635,175.10 and 372,998,884.60 is: 558,669,300.48
Step by Step Solution
- Step 1: Write the proportion equation
430,394,512.60 : 644,635,175.10 = 372,998,884.60 : x - Step 2: Convert to fraction form
430,394,512.60/644,635,175.10 = 372,998,884.60/x - Step 3: Cross multiply
430,394,512.60x = 644,635,175.10 × 372,998,884.60 - Step 4: Simplify right side
430,394,512.60x = 240,448,201,286,225,728 - Step 5: Solve for x
x = 240,448,201,286,225,728/430,394,512.60 - Step 6: Final answer
x = 558,669,300.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.