Finding the Fourth Proportional to 1,760,372,586.60, 2,640,558,879.90 and 533,381,605.80
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Solution
The fourth proportional to 1,760,372,586.60, 2,640,558,879.90 and 533,381,605.80 is: 800,072,408.70
Step by Step Solution
- Step 1: Write the proportion equation
1,760,372,586.60 : 2,640,558,879.90 = 533,381,605.80 : x - Step 2: Convert to fraction form
1,760,372,586.60/2,640,558,879.90 = 533,381,605.80/x - Step 3: Cross multiply
1,760,372,586.60x = 2,640,558,879.90 × 533,381,605.80 - Step 4: Simplify right side
1,760,372,586.60x = 1,408,425,535,570,511,360 - Step 5: Solve for x
x = 1,408,425,535,570,511,360/1,760,372,586.60 - Step 6: Final answer
x = 800,072,408.70
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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.