Finding the Fourth Proportional to 1,350,981,375.12, 1,863,393,217.92 and 1,239,831,153.36
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Solution
The fourth proportional to 1,350,981,375.12, 1,863,393,217.92 and 1,239,831,153.36 is: 1,710,084,983.47
Step by Step Solution
- Step 1: Write the proportion equation
1,350,981,375.12 : 1,863,393,217.92 = 1,239,831,153.36 : x - Step 2: Convert to fraction form
1,350,981,375.12/1,863,393,217.92 = 1,239,831,153.36/x - Step 3: Cross multiply
1,350,981,375.12x = 1,863,393,217.92 × 1,239,831,153.36 - Step 4: Simplify right side
1,350,981,375.12x = 2,310,292,962,536,955,392 - Step 5: Solve for x
x = 2,310,292,962,536,955,392/1,350,981,375.12 - Step 6: Final answer
x = 1,710,084,983.47
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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.