Finding the Fourth Proportional to 320,482,004.80, 480,723,007.20 and 115,936,268.80
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Solution
The fourth proportional to 320,482,004.80, 480,723,007.20 and 115,936,268.80 is: 173,904,403.20
Step by Step Solution
- Step 1: Write the proportion equation
320,482,004.80 : 480,723,007.20 = 115,936,268.80 : x - Step 2: Convert to fraction form
320,482,004.80/480,723,007.20 = 115,936,268.80/x - Step 3: Cross multiply
320,482,004.80x = 480,723,007.20 × 115,936,268.80 - Step 4: Simplify right side
320,482,004.80x = 55,733,231,781,083,536 - Step 5: Solve for x
x = 55,733,231,781,083,536/320,482,004.80 - Step 6: Final answer
x = 173,904,403.20
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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.