Finding the Fourth Proportional to 449,278,726.29, 673,990,505.27 and 138,386,197.67
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Solution
The fourth proportional to 449,278,726.29, 673,990,505.27 and 138,386,197.67 is: 207,601,601.92
Step by Step Solution
- Step 1: Write the proportion equation
449,278,726.29 : 673,990,505.27 = 138,386,197.67 : x - Step 2: Convert to fraction form
449,278,726.29/673,990,505.27 = 138,386,197.67/x - Step 3: Cross multiply
449,278,726.29x = 673,990,505.27 × 138,386,197.67 - Step 4: Simplify right side
449,278,726.29x = 93,270,983,285,935,504 - Step 5: Solve for x
x = 93,270,983,285,935,504/449,278,726.29 - Step 6: Final answer
x = 207,601,601.92
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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.