Finding the Fourth Proportional to 873,766,051.20, 1,310,649,076.80 and 227,533,795.20
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Solution
The fourth proportional to 873,766,051.20, 1,310,649,076.80 and 227,533,795.20 is: 341,300,692.80
Step by Step Solution
- Step 1: Write the proportion equation
873,766,051.20 : 1,310,649,076.80 = 227,533,795.20 : x - Step 2: Convert to fraction form
873,766,051.20/1,310,649,076.80 = 227,533,795.20/x - Step 3: Cross multiply
873,766,051.20x = 1,310,649,076.80 × 227,533,795.20 - Step 4: Simplify right side
873,766,051.20x = 298,216,958,619,680,256 - Step 5: Solve for x
x = 298,216,958,619,680,256/873,766,051.20 - Step 6: Final answer
x = 341,300,692.80
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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.