Finding the Fourth Proportional to 2,930,691,330.80, 4,396,036,996.20 and 2,910,283,996.40
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Solution
The fourth proportional to 2,930,691,330.80, 4,396,036,996.20 and 2,910,283,996.40 is: 4,365,425,994.60
Step by Step Solution
- Step 1: Write the proportion equation
2,930,691,330.80 : 4,396,036,996.20 = 2,910,283,996.40 : x - Step 2: Convert to fraction form
2,930,691,330.80/4,396,036,996.20 = 2,910,283,996.40/x - Step 3: Cross multiply
2,930,691,330.80x = 4,396,036,996.20 × 2,910,283,996.40 - Step 4: Simplify right side
2,930,691,330.80x = 12,793,716,117,623,187,456 - Step 5: Solve for x
x = 12,793,716,117,623,187,456/2,930,691,330.80 - Step 6: Final answer
x = 4,365,425,994.60
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1.5x scale
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.