Finding the Fourth Proportional to 372,819,502.36, 514,711,609.64 and 331,452,134.92
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Solution
The fourth proportional to 372,819,502.36, 514,711,609.64 and 331,452,134.92 is: 457,600,154.51
Step by Step Solution
- Step 1: Write the proportion equation
372,819,502.36 : 514,711,609.64 = 331,452,134.92 : x - Step 2: Convert to fraction form
372,819,502.36/514,711,609.64 = 331,452,134.92/x - Step 3: Cross multiply
372,819,502.36x = 514,711,609.64 × 331,452,134.92 - Step 4: Simplify right side
372,819,502.36x = 170,602,261,883,287,648 - Step 5: Solve for x
x = 170,602,261,883,287,648/372,819,502.36 - Step 6: Final answer
x = 457,600,154.51
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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.