Finding the Fourth Proportional to 354,405,306.37, 531,605,728.82 and 190,720,166.17
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Solution
The fourth proportional to 354,405,306.37, 531,605,728.82 and 190,720,166.17 is: 286,079,048.80
Step by Step Solution
- Step 1: Write the proportion equation
354,405,306.37 : 531,605,728.82 = 190,720,166.17 : x - Step 2: Convert to fraction form
354,405,306.37/531,605,728.82 = 190,720,166.17/x - Step 3: Cross multiply
354,405,306.37x = 531,605,728.82 × 190,720,166.17 - Step 4: Simplify right side
354,405,306.37x = 101,387,932,936,520,752 - Step 5: Solve for x
x = 101,387,932,936,520,752/354,405,306.37 - Step 6: Final answer
x = 286,079,048.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.