Finding the Fourth Proportional to 353,515,243.12, 530,240,146.48 and 166,726,356.68
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Solution
The fourth proportional to 353,515,243.12, 530,240,146.48 and 166,726,356.68 is: 250,074,104.32
Step by Step Solution
- Step 1: Write the proportion equation
353,515,243.12 : 530,240,146.48 = 166,726,356.68 : x - Step 2: Convert to fraction form
353,515,243.12/530,240,146.48 = 166,726,356.68/x - Step 3: Cross multiply
353,515,243.12x = 530,240,146.48 × 166,726,356.68 - Step 4: Simplify right side
353,515,243.12x = 88,405,007,788,079,936 - Step 5: Solve for x
x = 88,405,007,788,079,936/353,515,243.12 - Step 6: Final answer
x = 250,074,104.32
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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.