Finding the Fourth Proportional to 324,316,644.96, 447,551,438.46 and 175,636,557.93
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Solution
The fourth proportional to 324,316,644.96, 447,551,438.46 and 175,636,557.93 is: 242,375,454.26
Step by Step Solution
- Step 1: Write the proportion equation
324,316,644.96 : 447,551,438.46 = 175,636,557.93 : x - Step 2: Convert to fraction form
324,316,644.96/447,551,438.46 = 175,636,557.93/x - Step 3: Cross multiply
324,316,644.96x = 447,551,438.46 × 175,636,557.93 - Step 4: Simplify right side
324,316,644.96x = 78,606,394,147,734,624 - Step 5: Solve for x
x = 78,606,394,147,734,624/324,316,644.96 - Step 6: Final answer
x = 242,375,454.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.