Finding the Fourth Proportional to 276,840,441.70, 415,260,662.55 and 133,513,209.70
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Solution
The fourth proportional to 276,840,441.70, 415,260,662.55 and 133,513,209.70 is: 200,269,814.55
Step by Step Solution
- Step 1: Write the proportion equation
276,840,441.70 : 415,260,662.55 = 133,513,209.70 : x - Step 2: Convert to fraction form
276,840,441.70/415,260,662.55 = 133,513,209.70/x - Step 3: Cross multiply
276,840,441.70x = 415,260,662.55 × 133,513,209.70 - Step 4: Simplify right side
276,840,441.70x = 55,442,783,919,199,088 - Step 5: Solve for x
x = 55,442,783,919,199,088/276,840,441.70 - Step 6: Final answer
x = 200,269,814.55
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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.