Finding the Fourth Proportional to 996,866,512.90, 1,495,299,769.35 and 566,884,816.90
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Solution
The fourth proportional to 996,866,512.90, 1,495,299,769.35 and 566,884,816.90 is: 850,327,225.35
Step by Step Solution
- Step 1: Write the proportion equation
996,866,512.90 : 1,495,299,769.35 = 566,884,816.90 : x - Step 2: Convert to fraction form
996,866,512.90/1,495,299,769.35 = 566,884,816.90/x - Step 3: Cross multiply
996,866,512.90x = 1,495,299,769.35 × 566,884,816.90 - Step 4: Simplify right side
996,866,512.90x = 847,662,735,958,586,880 - Step 5: Solve for x
x = 847,662,735,958,586,880/996,866,512.90 - Step 6: Final answer
x = 850,327,225.35
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Half scale
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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.