Finding the Fourth Proportional to 5,432,510,193.20, 8,148,765,289.80 and 3,676,203,976.40
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Solution
The fourth proportional to 5,432,510,193.20, 8,148,765,289.80 and 3,676,203,976.40 is: 5,514,305,964.60
Step by Step Solution
- Step 1: Write the proportion equation
5,432,510,193.20 : 8,148,765,289.80 = 3,676,203,976.40 : x - Step 2: Convert to fraction form
5,432,510,193.20/8,148,765,289.80 = 3,676,203,976.40/x - Step 3: Cross multiply
5,432,510,193.20x = 8,148,765,289.80 × 3,676,203,976.40 - Step 4: Simplify right side
5,432,510,193.20x = 29,956,523,361,113,059,328 - Step 5: Solve for x
x = 29,956,523,361,113,059,328/5,432,510,193.20 - Step 6: Final answer
x = 5,514,305,964.60
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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.