Finding the Fourth Proportional to 413,669,842.22, 570,898,509.62 and 237,491,836.31
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Solution
The fourth proportional to 413,669,842.22, 570,898,509.62 and 237,491,836.31 is: 327,758,326.95
Step by Step Solution
- Step 1: Write the proportion equation
413,669,842.22 : 570,898,509.62 = 237,491,836.31 : x - Step 2: Convert to fraction form
413,669,842.22/570,898,509.62 = 237,491,836.31/x - Step 3: Cross multiply
413,669,842.22x = 570,898,509.62 × 237,491,836.31 - Step 4: Simplify right side
413,669,842.22x = 135,583,735,392,254,048 - Step 5: Solve for x
x = 135,583,735,392,254,048/413,669,842.22 - Step 6: Final answer
x = 327,758,326.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.