Finding the Fourth Proportional to 389,267,365.28, 537,131,179.33 and 236,424,344.00
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Solution
The fourth proportional to 389,267,365.28, 537,131,179.33 and 236,424,344.00 is: 326,230,498.73
Step by Step Solution
- Step 1: Write the proportion equation
389,267,365.28 : 537,131,179.33 = 236,424,344.00 : x - Step 2: Convert to fraction form
389,267,365.28/537,131,179.33 = 236,424,344.00/x - Step 3: Cross multiply
389,267,365.28x = 537,131,179.33 × 236,424,344.00 - Step 4: Simplify right side
389,267,365.28x = 126,990,886,711,764,896 - Step 5: Solve for x
x = 126,990,886,711,764,896/389,267,365.28 - Step 6: Final answer
x = 326,230,498.73
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.