Finding the Fourth Proportional to 1,623,083,380,042.40, 2,239,898,804,987.40 and 954,942,537,842.92
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Solution
The fourth proportional to 1,623,083,380,042.40, 2,239,898,804,987.40 and 954,942,537,842.92 is: 1,317,846,437,001.97
Step by Step Solution
- Step 1: Write the proportion equation
1,623,083,380,042.40 : 2,239,898,804,987.40 = 954,942,537,842.92 : x - Step 2: Convert to fraction form
1,623,083,380,042.40/2,239,898,804,987.40 = 954,942,537,842.92/x - Step 3: Cross multiply
1,623,083,380,042.40x = 2,239,898,804,987.40 × 954,942,537,842.92 - Step 4: Simplify right side
1,623,083,380,042.40x = 2,138,974,649,345,991,593,951,232 - Step 5: Solve for x
x = 2,138,974,649,345,991,593,951,232/1,623,083,380,042.40 - Step 6: Final answer
x = 1,317,846,437,001.97
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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.