Finding the Fourth Proportional to 1,623,083,381,678.90, 2,239,898,807,236 and 954,942,539,471.92
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Solution
The fourth proportional to 1,623,083,381,678.90, 2,239,898,807,236 and 954,942,539,471.92 is: 1,317,846,439,244.26
Step by Step Solution
- Step 1: Write the proportion equation
1,623,083,381,678.90 : 2,239,898,807,236 = 954,942,539,471.92 : x - Step 2: Convert to fraction form
1,623,083,381,678.90/2,239,898,807,236 = 954,942,539,471.92/x - Step 3: Cross multiply
1,623,083,381,678.90x = 2,239,898,807,236 × 954,942,539,471.92 - Step 4: Simplify right side
1,623,083,381,678.90x = 2,138,974,655,142,070,629,433,344 - Step 5: Solve for x
x = 2,138,974,655,142,070,629,433,344/1,623,083,381,678.90 - Step 6: Final answer
x = 1,317,846,439,244.26
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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.