Finding the Fourth Proportional to 503,005,728.09, 754,621,123.79 and 153,279,167.09
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Solution
The fourth proportional to 503,005,728.09, 754,621,123.79 and 153,279,167.09 is: 229,953,042.01
Step by Step Solution
- Step 1: Write the proportion equation
503,005,728.09 : 754,621,123.79 = 153,279,167.09 : x - Step 2: Convert to fraction form
503,005,728.09/754,621,123.79 = 153,279,167.09/x - Step 3: Cross multiply
503,005,728.09x = 754,621,123.79 × 153,279,167.09 - Step 4: Simplify right side
503,005,728.09x = 115,667,697,322,284,592 - Step 5: Solve for x
x = 115,667,697,322,284,592/503,005,728.09 - Step 6: Final answer
x = 229,953,042.01
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1.5x scale
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.