Finding the Fourth Proportional to 298,413,376,822.20, 447,620,065,233.30 and 121,653,276,367.80
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Solution
The fourth proportional to 298,413,376,822.20, 447,620,065,233.30 and 121,653,276,367.80 is: 182,479,914,551.70
Step by Step Solution
- Step 1: Write the proportion equation
298,413,376,822.20 : 447,620,065,233.30 = 121,653,276,367.80 : x - Step 2: Convert to fraction form
298,413,376,822.20/447,620,065,233.30 = 121,653,276,367.80/x - Step 3: Cross multiply
298,413,376,822.20x = 447,620,065,233.30 × 121,653,276,367.80 - Step 4: Simplify right side
298,413,376,822.20x = 54,454,447,503,599,307,063,296 - Step 5: Solve for x
x = 54,454,447,503,599,307,063,296/298,413,376,822.20 - Step 6: Final answer
x = 182,479,914,551.70
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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.