Finding the Fourth Proportional to 959,410,668.24, 1,323,987,149.64 and 519,377,506
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Solution
The fourth proportional to 959,410,668.24, 1,323,987,149.64 and 519,377,506 is: 716,741,189.69
Step by Step Solution
- Step 1: Write the proportion equation
959,410,668.24 : 1,323,987,149.64 = 519,377,506 : x - Step 2: Convert to fraction form
959,410,668.24/1,323,987,149.64 = 519,377,506/x - Step 3: Cross multiply
959,410,668.24x = 1,323,987,149.64 × 519,377,506 - Step 4: Simplify right side
959,410,668.24x = 687,649,143,756,072,064 - Step 5: Solve for x
x = 687,649,143,756,072,064/959,410,668.24 - Step 6: Final answer
x = 716,741,189.69
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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.