Finding the Fourth Proportional to 3,034,467,101.70, 4,551,700,652.55 and 853,433,237.70
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Solution
The fourth proportional to 3,034,467,101.70, 4,551,700,652.55 and 853,433,237.70 is: 1,280,149,856.55
Step by Step Solution
- Step 1: Write the proportion equation
3,034,467,101.70 : 4,551,700,652.55 = 853,433,237.70 : x - Step 2: Convert to fraction form
3,034,467,101.70/4,551,700,652.55 = 853,433,237.70/x - Step 3: Cross multiply
3,034,467,101.70x = 4,551,700,652.55 × 853,433,237.70 - Step 4: Simplify right side
3,034,467,101.70x = 3,884,572,624,946,949,632 - Step 5: Solve for x
x = 3,884,572,624,946,949,632/3,034,467,101.70 - Step 6: Final answer
x = 1,280,149,856.55
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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.