Finding the Fourth Proportional to 546,236,836.20, 819,071,819.10 and 201,012,762.60
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Solution
The fourth proportional to 546,236,836.20, 819,071,819.10 and 201,012,762.60 is: 301,414,840.99
Step by Step Solution
- Step 1: Write the proportion equation
546,236,836.20 : 819,071,819.10 = 201,012,762.60 : x - Step 2: Convert to fraction form
546,236,836.20/819,071,819.10 = 201,012,762.60/x - Step 3: Cross multiply
546,236,836.20x = 819,071,819.10 × 201,012,762.60 - Step 4: Simplify right side
546,236,836.20x = 164,643,889,125,098,432 - Step 5: Solve for x
x = 164,643,889,125,098,432/546,236,836.20 - Step 6: Final answer
x = 301,414,840.99
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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.