Finding the Fourth Proportional to 348,512,512.70, 522,768,769.05 and 348,512,512.70
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Solution
The fourth proportional to 348,512,512.70, 522,768,769.05 and 348,512,512.70 is: 522,768,769.05
Step by Step Solution
- Step 1: Write the proportion equation
348,512,512.70 : 522,768,769.05 = 348,512,512.70 : x - Step 2: Convert to fraction form
348,512,512.70/522,768,769.05 = 348,512,512.70/x - Step 3: Cross multiply
348,512,512.70x = 522,768,769.05 × 348,512,512.70 - Step 4: Simplify right side
348,512,512.70x = 182,191,457,262,701,504 - Step 5: Solve for x
x = 182,191,457,262,701,504/348,512,512.70 - Step 6: Final answer
x = 522,768,769.05
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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.