Finding the Fourth Proportional to 45,371,437,396.54, 68,056,221,516.36 and 15,120,772,989.99
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Solution
The fourth proportional to 45,371,437,396.54, 68,056,221,516.36 and 15,120,772,989.99 is: 22,680,848,021.44
Step by Step Solution
- Step 1: Write the proportion equation
45,371,437,396.54 : 68,056,221,516.36 = 15,120,772,989.99 : x - Step 2: Convert to fraction form
45,371,437,396.54/68,056,221,516.36 = 15,120,772,989.99/x - Step 3: Cross multiply
45,371,437,396.54x = 68,056,221,516.36 × 15,120,772,989.99 - Step 4: Simplify right side
45,371,437,396.54x = 1,029,062,676,105,050,193,920 - Step 5: Solve for x
x = 1,029,062,676,105,050,193,920/45,371,437,396.54 - Step 6: Final answer
x = 22,680,848,021.44
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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.