Finding the Fourth Proportional to 381,276,124.62, 525,532,260.51 and 269,622,951.18
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Solution
The fourth proportional to 381,276,124.62, 525,532,260.51 and 269,622,951.18 is: 371,635,016.91
Step by Step Solution
- Step 1: Write the proportion equation
381,276,124.62 : 525,532,260.51 = 269,622,951.18 : x - Step 2: Convert to fraction form
381,276,124.62/525,532,260.51 = 269,622,951.18/x - Step 3: Cross multiply
381,276,124.62x = 525,532,260.51 × 269,622,951.18 - Step 4: Simplify right side
381,276,124.62x = 141,695,559,019,002,768 - Step 5: Solve for x
x = 141,695,559,019,002,768/381,276,124.62 - Step 6: Final answer
x = 371,635,016.91
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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.