Finding the Fourth Proportional to 442,847,244.60, 664,270,866.90 and 115,322,124.60
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Solution
The fourth proportional to 442,847,244.60, 664,270,866.90 and 115,322,124.60 is: 172,983,186.90
Step by Step Solution
- Step 1: Write the proportion equation
442,847,244.60 : 664,270,866.90 = 115,322,124.60 : x - Step 2: Convert to fraction form
442,847,244.60/664,270,866.90 = 115,322,124.60/x - Step 3: Cross multiply
442,847,244.60x = 664,270,866.90 × 115,322,124.60 - Step 4: Simplify right side
442,847,244.60x = 76,605,127,680,791,808 - Step 5: Solve for x
x = 76,605,127,680,791,808/442,847,244.60 - Step 6: Final answer
x = 172,983,186.90
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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.