Finding the Fourth Proportional to 2,930,707,272.80, 4,396,060,909.20 and 2,910,299,938.40
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Solution
The fourth proportional to 2,930,707,272.80, 4,396,060,909.20 and 2,910,299,938.40 is: 4,365,449,907.60
Step by Step Solution
- Step 1: Write the proportion equation
2,930,707,272.80 : 4,396,060,909.20 = 2,910,299,938.40 : x - Step 2: Convert to fraction form
2,930,707,272.80/4,396,060,909.20 = 2,910,299,938.40/x - Step 3: Cross multiply
2,930,707,272.80x = 4,396,060,909.20 × 2,910,299,938.40 - Step 4: Simplify right side
2,930,707,272.80x = 12,793,855,793,247,408,128 - Step 5: Solve for x
x = 12,793,855,793,247,408,128/2,930,707,272.80 - Step 6: Final answer
x = 4,365,449,907.60
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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.