Finding the Fourth Proportional to 1,026,539,243.46, 1,539,193,943.76 and 326,729,098.44
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Solution
The fourth proportional to 1,026,539,243.46, 1,539,193,943.76 and 326,729,098.44 is: 489,897,929.16
Step by Step Solution
- Step 1: Write the proportion equation
1,026,539,243.46 : 1,539,193,943.76 = 326,729,098.44 : x - Step 2: Convert to fraction form
1,026,539,243.46/1,539,193,943.76 = 326,729,098.44/x - Step 3: Cross multiply
1,026,539,243.46x = 1,539,193,943.76 × 326,729,098.44 - Step 4: Simplify right side
1,026,539,243.46x = 502,899,449,569,012,864 - Step 5: Solve for x
x = 502,899,449,569,012,864/1,026,539,243.46 - Step 6: Final answer
x = 489,897,929.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.