Finding the Fourth Proportional to 354,862,336.80, 531,497,242.80 and 291,161,344.80
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Solution
The fourth proportional to 354,862,336.80, 531,497,242.80 and 291,161,344.80 is: 436,088,691.09
Step by Step Solution
- Step 1: Write the proportion equation
354,862,336.80 : 531,497,242.80 = 291,161,344.80 : x - Step 2: Convert to fraction form
354,862,336.80/531,497,242.80 = 291,161,344.80/x - Step 3: Cross multiply
354,862,336.80x = 531,497,242.80 × 291,161,344.80 - Step 4: Simplify right side
354,862,336.80x = 154,751,451,971,140,128 - Step 5: Solve for x
x = 154,751,451,971,140,128/354,862,336.80 - Step 6: Final answer
x = 436,088,691.09
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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.