Finding the Fourth Proportional to 480,773,949.26, 717,118,754.99 and 436,637,608.13
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Solution
The fourth proportional to 480,773,949.26, 717,118,754.99 and 436,637,608.13 is: 651,285,325.27
Step by Step Solution
- Step 1: Write the proportion equation
480,773,949.26 : 717,118,754.99 = 436,637,608.13 : x - Step 2: Convert to fraction form
480,773,949.26/717,118,754.99 = 436,637,608.13/x - Step 3: Cross multiply
480,773,949.26x = 717,118,754.99 × 436,637,608.13 - Step 4: Simplify right side
480,773,949.26x = 313,121,017,923,606,720 - Step 5: Solve for x
x = 313,121,017,923,606,720/480,773,949.26 - Step 6: Final answer
x = 651,285,325.27
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.