Finding the Fourth Proportional to 8,071,260,805.20, 12,106,891,207.80 and 3,709,193,077.20
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Solution
The fourth proportional to 8,071,260,805.20, 12,106,891,207.80 and 3,709,193,077.20 is: 5,563,789,615.80
Step by Step Solution
- Step 1: Write the proportion equation
8,071,260,805.20 : 12,106,891,207.80 = 3,709,193,077.20 : x - Step 2: Convert to fraction form
8,071,260,805.20/12,106,891,207.80 = 3,709,193,077.20/x - Step 3: Cross multiply
8,071,260,805.20x = 12,106,891,207.80 × 3,709,193,077.20 - Step 4: Simplify right side
8,071,260,805.20x = 44,906,797,054,385,299,456 - Step 5: Solve for x
x = 44,906,797,054,385,299,456/8,071,260,805.20 - Step 6: Final answer
x = 5,563,789,615.80
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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.