Finding the Fourth Proportional to 352,415,536.40, 528,623,304.60 and 214,666,029.20
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Solution
The fourth proportional to 352,415,536.40, 528,623,304.60 and 214,666,029.20 is: 321,999,043.80
Step by Step Solution
- Step 1: Write the proportion equation
352,415,536.40 : 528,623,304.60 = 214,666,029.20 : x - Step 2: Convert to fraction form
352,415,536.40/528,623,304.60 = 214,666,029.20/x - Step 3: Cross multiply
352,415,536.40x = 528,623,304.60 × 214,666,029.20 - Step 4: Simplify right side
352,415,536.40x = 113,477,465,741,064,096 - Step 5: Solve for x
x = 113,477,465,741,064,096/352,415,536.40 - Step 6: Final answer
x = 321,999,043.80
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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.