Finding the Fourth Proportional to 298,922,492.14, 412,146,551.53 and 245,813,602.84
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Solution
The fourth proportional to 298,922,492.14, 412,146,551.53 and 245,813,602.84 is: 338,921,397.33
Step by Step Solution
- Step 1: Write the proportion equation
298,922,492.14 : 412,146,551.53 = 245,813,602.84 : x - Step 2: Convert to fraction form
298,922,492.14/412,146,551.53 = 245,813,602.84/x - Step 3: Cross multiply
298,922,492.14x = 412,146,551.53 × 245,813,602.84 - Step 4: Simplify right side
298,922,492.14x = 101,311,228,728,947,920 - Step 5: Solve for x
x = 101,311,228,728,947,920/298,922,492.14 - Step 6: Final answer
x = 338,921,397.33
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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.