Finding the Fourth Proportional to 757,066,523.60, 1,135,599,785.40 and 297,019,701.20
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Solution
The fourth proportional to 757,066,523.60, 1,135,599,785.40 and 297,019,701.20 is: 445,529,551.80
Step by Step Solution
- Step 1: Write the proportion equation
757,066,523.60 : 1,135,599,785.40 = 297,019,701.20 : x - Step 2: Convert to fraction form
757,066,523.60/1,135,599,785.40 = 297,019,701.20/x - Step 3: Cross multiply
757,066,523.60x = 1,135,599,785.40 × 297,019,701.20 - Step 4: Simplify right side
757,066,523.60x = 337,295,508,942,292,160 - Step 5: Solve for x
x = 337,295,508,942,292,160/757,066,523.60 - Step 6: Final answer
x = 445,529,551.80
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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.