Finding the Fourth Proportional to 383,738,361, 529,560,533.68 and 207,526,356.36
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Solution
The fourth proportional to 383,738,361, 529,560,533.68 and 207,526,356.36 is: 286,387,234.63
Step by Step Solution
- Step 1: Write the proportion equation
383,738,361 : 529,560,533.68 = 207,526,356.36 : x - Step 2: Convert to fraction form
383,738,361/529,560,533.68 = 207,526,356.36/x - Step 3: Cross multiply
383,738,361x = 529,560,533.68 × 207,526,356.36 - Step 4: Simplify right side
383,738,361x = 109,897,768,026,667,472 - Step 5: Solve for x
x = 109,897,768,026,667,472/383,738,361 - Step 6: Final answer
x = 286,387,234.63
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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.