Finding the Fourth Proportional to 442,847,664.10, 664,271,496.15 and 115,322,544.10
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Solution
The fourth proportional to 442,847,664.10, 664,271,496.15 and 115,322,544.10 is: 172,983,816.15
Step by Step Solution
- Step 1: Write the proportion equation
442,847,664.10 : 664,271,496.15 = 115,322,544.10 : x - Step 2: Convert to fraction form
442,847,664.10/664,271,496.15 = 115,322,544.10/x - Step 3: Cross multiply
442,847,664.10x = 664,271,496.15 × 115,322,544.10 - Step 4: Simplify right side
442,847,664.10x = 76,605,478,909,131,344 - Step 5: Solve for x
x = 76,605,478,909,131,344/442,847,664.10 - Step 6: Final answer
x = 172,983,816.15
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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.