Finding the Fourth Proportional to 2,629,931,992.92, 3,629,261,292.39 and 1,424,263,446.09
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Solution
The fourth proportional to 2,629,931,992.92, 3,629,261,292.39 and 1,424,263,446.09 is: 1,965,459,262.44
Step by Step Solution
- Step 1: Write the proportion equation
2,629,931,992.92 : 3,629,261,292.39 = 1,424,263,446.09 : x - Step 2: Convert to fraction form
2,629,931,992.92/3,629,261,292.39 = 1,424,263,446.09/x - Step 3: Cross multiply
2,629,931,992.92x = 3,629,261,292.39 × 1,424,263,446.09 - Step 4: Simplify right side
2,629,931,992.92x = 5,169,024,195,060,427,776 - Step 5: Solve for x
x = 5,169,024,195,060,427,776/2,629,931,992.92 - Step 6: Final answer
x = 1,965,459,262.44
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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.