Finding the Fourth Proportional to 201,620,376.35, 302,430,564.53 and 201,620,376.35
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Solution
The fourth proportional to 201,620,376.35, 302,430,564.53 and 201,620,376.35 is: 302,430,564.53
Step by Step Solution
- Step 1: Write the proportion equation
201,620,376.35 : 302,430,564.53 = 201,620,376.35 : x - Step 2: Convert to fraction form
201,620,376.35/302,430,564.53 = 201,620,376.35/x - Step 3: Cross multiply
201,620,376.35x = 302,430,564.53 × 201,620,376.35 - Step 4: Simplify right side
201,620,376.35x = 60,976,164,240,281,552 - Step 5: Solve for x
x = 60,976,164,240,281,552/201,620,376.35 - Step 6: Final answer
x = 302,430,564.53
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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.