Finding the Fourth Proportional to 286,440,816.33, 394,975,525.19 and 193,459,896.81
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Solution
The fourth proportional to 286,440,816.33, 394,975,525.19 and 193,459,896.81 is: 266,763,394.00
Step by Step Solution
- Step 1: Write the proportion equation
286,440,816.33 : 394,975,525.19 = 193,459,896.81 : x - Step 2: Convert to fraction form
286,440,816.33/394,975,525.19 = 193,459,896.81/x - Step 3: Cross multiply
286,440,816.33x = 394,975,525.19 × 193,459,896.81 - Step 4: Simplify right side
286,440,816.33x = 76,411,924,344,765,664 - Step 5: Solve for x
x = 76,411,924,344,765,664/286,440,816.33 - Step 6: Final answer
x = 266,763,394.00
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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.