Finding the Fourth Proportional to 461,754,079.11, 637,220,972.72 and 250,062,552.99
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Solution
The fourth proportional to 461,754,079.11, 637,220,972.72 and 250,062,552.99 is: 345,086,509.18
Step by Step Solution
- Step 1: Write the proportion equation
461,754,079.11 : 637,220,972.72 = 250,062,552.99 : x - Step 2: Convert to fraction form
461,754,079.11/637,220,972.72 = 250,062,552.99/x - Step 3: Cross multiply
461,754,079.11x = 637,220,972.72 × 250,062,552.99 - Step 4: Simplify right side
461,754,079.11x = 159,345,103,257,759,488 - Step 5: Solve for x
x = 159,345,103,257,759,488/461,754,079.11 - Step 6: Final answer
x = 345,086,509.18
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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.