Finding the Fourth Proportional to 5,668,841,207.80, 8,503,261,811.70 and 5,324,467,439.80
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Solution
The fourth proportional to 5,668,841,207.80, 8,503,261,811.70 and 5,324,467,439.80 is: 7,986,701,159.70
Step by Step Solution
- Step 1: Write the proportion equation
5,668,841,207.80 : 8,503,261,811.70 = 5,324,467,439.80 : x - Step 2: Convert to fraction form
5,668,841,207.80/8,503,261,811.70 = 5,324,467,439.80/x - Step 3: Cross multiply
5,668,841,207.80x = 8,503,261,811.70 × 5,324,467,439.80 - Step 4: Simplify right side
5,668,841,207.80x = 45,275,340,648,491,409,408 - Step 5: Solve for x
x = 45,275,340,648,491,409,408/5,668,841,207.80 - Step 6: Final answer
x = 7,986,701,159.70
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Double scale
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Similar ratio
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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.