Finding the Fourth Proportional to 957,378,701.80, 1,436,068,052.70 and 374,919,365.80
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Solution
The fourth proportional to 957,378,701.80, 1,436,068,052.70 and 374,919,365.80 is: 562,379,048.70
Step by Step Solution
- Step 1: Write the proportion equation
957,378,701.80 : 1,436,068,052.70 = 374,919,365.80 : x - Step 2: Convert to fraction form
957,378,701.80/1,436,068,052.70 = 374,919,365.80/x - Step 3: Cross multiply
957,378,701.80x = 1,436,068,052.70 × 374,919,365.80 - Step 4: Simplify right side
957,378,701.80x = 538,409,723,563,924,992 - Step 5: Solve for x
x = 538,409,723,563,924,992/957,378,701.80 - Step 6: Final answer
x = 562,379,048.70
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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.