Finding the Fourth Proportional to 1,063,048,197.20, 1,594,796,244.60 and 449,316,510.80
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Solution
The fourth proportional to 1,063,048,197.20, 1,594,796,244.60 and 449,316,510.80 is: 674,069,422.20
Step by Step Solution
- Step 1: Write the proportion equation
1,063,048,197.20 : 1,594,796,244.60 = 449,316,510.80 : x - Step 2: Convert to fraction form
1,063,048,197.20/1,594,796,244.60 = 449,316,510.80/x - Step 3: Cross multiply
1,063,048,197.20x = 1,594,796,244.60 × 449,316,510.80 - Step 4: Simplify right side
1,063,048,197.20x = 716,568,284,060,615,296 - Step 5: Solve for x
x = 716,568,284,060,615,296/1,063,048,197.20 - Step 6: Final answer
x = 674,069,422.20
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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.