Finding the Fourth Proportional to 503,005,729.09, 754,621,125.29 and 153,279,168.09
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Solution
The fourth proportional to 503,005,729.09, 754,621,125.29 and 153,279,168.09 is: 229,953,043.51
Step by Step Solution
- Step 1: Write the proportion equation
503,005,729.09 : 754,621,125.29 = 153,279,168.09 : x - Step 2: Convert to fraction form
503,005,729.09/754,621,125.29 = 153,279,168.09/x - Step 3: Cross multiply
503,005,729.09x = 754,621,125.29 × 153,279,168.09 - Step 4: Simplify right side
503,005,729.09x = 115,667,698,306,824,464 - Step 5: Solve for x
x = 115,667,698,306,824,464/503,005,729.09 - Step 6: Final answer
x = 229,953,043.51
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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.