Finding the Fourth Proportional to 5,351,414,839.70, 8,027,122,259.55 and 1,474,021,303.70
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Solution
The fourth proportional to 5,351,414,839.70, 8,027,122,259.55 and 1,474,021,303.70 is: 2,211,031,955.55
Step by Step Solution
- Step 1: Write the proportion equation
5,351,414,839.70 : 8,027,122,259.55 = 1,474,021,303.70 : x - Step 2: Convert to fraction form
5,351,414,839.70/8,027,122,259.55 = 1,474,021,303.70/x - Step 3: Cross multiply
5,351,414,839.70x = 8,027,122,259.55 × 1,474,021,303.70 - Step 4: Simplify right side
5,351,414,839.70x = 11,832,149,217,981,181,952 - Step 5: Solve for x
x = 11,832,149,217,981,181,952/5,351,414,839.70 - Step 6: Final answer
x = 2,211,031,955.55
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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.