Finding the Fourth Proportional to 503,005,729.84, 754,621,126.40 and 153,279,168.84
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Solution
The fourth proportional to 503,005,729.84, 754,621,126.40 and 153,279,168.84 is: 229,953,044.63
Step by Step Solution
- Step 1: Write the proportion equation
503,005,729.84 : 754,621,126.40 = 153,279,168.84 : x - Step 2: Convert to fraction form
503,005,729.84/754,621,126.40 = 153,279,168.84/x - Step 3: Cross multiply
503,005,729.84x = 754,621,126.40 × 153,279,168.84 - Step 4: Simplify right side
503,005,729.84x = 115,667,699,044,079,792 - Step 5: Solve for x
x = 115,667,699,044,079,792/503,005,729.84 - Step 6: Final answer
x = 229,953,044.63
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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.