Finding the Fourth Proportional to 1,502,233,950.72, 2,251,760,544.64 and 505,305,937.28
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Solution
The fourth proportional to 1,502,233,950.72, 2,251,760,544.64 and 505,305,937.28 is: 757,423,949.84
Step by Step Solution
- Step 1: Write the proportion equation
1,502,233,950.72 : 2,251,760,544.64 = 505,305,937.28 : x - Step 2: Convert to fraction form
1,502,233,950.72/2,251,760,544.64 = 505,305,937.28/x - Step 3: Cross multiply
1,502,233,950.72x = 2,251,760,544.64 × 505,305,937.28 - Step 4: Simplify right side
1,502,233,950.72x = 1,137,827,972,539,438,336 - Step 5: Solve for x
x = 1,137,827,972,539,438,336/1,502,233,950.72 - Step 6: Final answer
x = 757,423,949.84
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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.