Finding the Fourth Proportional to 372,819,498.36, 514,711,604.12 and 331,452,130.92
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Solution
The fourth proportional to 372,819,498.36, 514,711,604.12 and 331,452,130.92 is: 457,600,148.99
Step by Step Solution
- Step 1: Write the proportion equation
372,819,498.36 : 514,711,604.12 = 331,452,130.92 : x - Step 2: Convert to fraction form
372,819,498.36/514,711,604.12 = 331,452,130.92/x - Step 3: Cross multiply
372,819,498.36x = 514,711,604.12 × 331,452,130.92 - Step 4: Simplify right side
372,819,498.36x = 170,602,257,994,825,472 - Step 5: Solve for x
x = 170,602,257,994,825,472/372,819,498.36 - Step 6: Final answer
x = 457,600,148.99
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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.