Finding the Fourth Proportional to 305,640,348.53, 458,508,761.18 and 130,764,515.79
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Solution
The fourth proportional to 305,640,348.53, 458,508,761.18 and 130,764,515.79 is: 196,167,411.90
Step by Step Solution
- Step 1: Write the proportion equation
305,640,348.53 : 458,508,761.18 = 130,764,515.79 : x - Step 2: Convert to fraction form
305,640,348.53/458,508,761.18 = 130,764,515.79/x - Step 3: Cross multiply
305,640,348.53x = 458,508,761.18 × 130,764,515.79 - Step 4: Simplify right side
305,640,348.53x = 59,956,676,141,702,352 - Step 5: Solve for x
x = 59,956,676,141,702,352/305,640,348.53 - Step 6: Final answer
x = 196,167,411.90
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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.