Finding the Fourth Proportional to 461,887,125.53, 637,398,921.42 and 250,189,965.14
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Solution
The fourth proportional to 461,887,125.53, 637,398,921.42 and 250,189,965.14 is: 345,259,274.65
Step by Step Solution
- Step 1: Write the proportion equation
461,887,125.53 : 637,398,921.42 = 250,189,965.14 : x - Step 2: Convert to fraction form
461,887,125.53/637,398,921.42 = 250,189,965.14/x - Step 3: Cross multiply
461,887,125.53x = 637,398,921.42 × 250,189,965.14 - Step 4: Simplify right side
461,887,125.53x = 159,470,813,927,156,384 - Step 5: Solve for x
x = 159,470,813,927,156,384/461,887,125.53 - Step 6: Final answer
x = 345,259,274.65
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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.