Finding the Fourth Proportional to 499,486,245.80, 749,229,368.70 and 499,486,245.80
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Solution
The fourth proportional to 499,486,245.80, 749,229,368.70 and 499,486,245.80 is: 749,229,368.70
Step by Step Solution
- Step 1: Write the proportion equation
499,486,245.80 : 749,229,368.70 = 499,486,245.80 : x - Step 2: Convert to fraction form
499,486,245.80/749,229,368.70 = 499,486,245.80/x - Step 3: Cross multiply
499,486,245.80x = 749,229,368.70 × 499,486,245.80 - Step 4: Simplify right side
499,486,245.80x = 374,229,764,615,067,072 - Step 5: Solve for x
x = 374,229,764,615,067,072/499,486,245.80 - Step 6: Final answer
x = 749,229,368.70
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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.