Finding the Fourth Proportional to 873,766,059.20, 1,310,649,088.80 and 227,533,803.20
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Solution
The fourth proportional to 873,766,059.20, 1,310,649,088.80 and 227,533,803.20 is: 341,300,704.80
Step by Step Solution
- Step 1: Write the proportion equation
873,766,059.20 : 1,310,649,088.80 = 227,533,803.20 : x - Step 2: Convert to fraction form
873,766,059.20/1,310,649,088.80 = 227,533,803.20/x - Step 3: Cross multiply
873,766,059.20x = 1,310,649,088.80 × 227,533,803.20 - Step 4: Simplify right side
873,766,059.20x = 298,216,971,835,278,528 - Step 5: Solve for x
x = 298,216,971,835,278,528/873,766,059.20 - Step 6: Final answer
x = 341,300,704.80
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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.