Finding the Fourth Proportional to 443,232,004.20, 664,848,006.30 and 295,278,829.80
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Solution
The fourth proportional to 443,232,004.20, 664,848,006.30 and 295,278,829.80 is: 442,918,244.70
Step by Step Solution
- Step 1: Write the proportion equation
443,232,004.20 : 664,848,006.30 = 295,278,829.80 : x - Step 2: Convert to fraction form
443,232,004.20/664,848,006.30 = 295,278,829.80/x - Step 3: Cross multiply
443,232,004.20x = 664,848,006.30 × 295,278,829.80 - Step 4: Simplify right side
443,232,004.20x = 196,315,541,295,127,008 - Step 5: Solve for x
x = 196,315,541,295,127,008/443,232,004.20 - Step 6: Final answer
x = 442,918,244.70
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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.