Finding the Fourth Proportional to 946,231,039.68, 1,307,076,910.56 and 713,044,351.68
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Solution
The fourth proportional to 946,231,039.68, 1,307,076,910.56 and 713,044,351.68 is: 984,964,315.48
Step by Step Solution
- Step 1: Write the proportion equation
946,231,039.68 : 1,307,076,910.56 = 713,044,351.68 : x - Step 2: Convert to fraction form
946,231,039.68/1,307,076,910.56 = 713,044,351.68/x - Step 3: Cross multiply
946,231,039.68x = 1,307,076,910.56 × 713,044,351.68 - Step 4: Simplify right side
946,231,039.68x = 932,003,808,286,152,448 - Step 5: Solve for x
x = 932,003,808,286,152,448/946,231,039.68 - Step 6: Final answer
x = 984,964,315.48
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1.5x scale
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.