Finding the Fourth Proportional to 2,689,569,645.66, 4,035,580,286.94 and 1,380,391,059.06
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Solution
The fourth proportional to 2,689,569,645.66, 4,035,580,286.94 and 1,380,391,059.06 is: 2,071,215,725.98
Step by Step Solution
- Step 1: Write the proportion equation
2,689,569,645.66 : 4,035,580,286.94 = 1,380,391,059.06 : x - Step 2: Convert to fraction form
2,689,569,645.66/4,035,580,286.94 = 1,380,391,059.06/x - Step 3: Cross multiply
2,689,569,645.66x = 4,035,580,286.94 × 1,380,391,059.06 - Step 4: Simplify right side
2,689,569,645.66x = 5,570,678,946,210,764,800 - Step 5: Solve for x
x = 5,570,678,946,210,764,800/2,689,569,645.66 - Step 6: Final answer
x = 2,071,215,725.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.