Finding the Fourth Proportional to 467,090,532.79, 644,573,588.12 and 258,241,305.67
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Solution
The fourth proportional to 467,090,532.79, 644,573,588.12 and 258,241,305.67 is: 356,366,728.31
Step by Step Solution
- Step 1: Write the proportion equation
467,090,532.79 : 644,573,588.12 = 258,241,305.67 : x - Step 2: Convert to fraction form
467,090,532.79/644,573,588.12 = 258,241,305.67/x - Step 3: Cross multiply
467,090,532.79x = 644,573,588.12 × 258,241,305.67 - Step 4: Simplify right side
467,090,532.79x = 166,455,524,994,571,360 - Step 5: Solve for x
x = 166,455,524,994,571,360/467,090,532.79 - Step 6: Final answer
x = 356,366,728.31
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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.