Finding the Fourth Proportional to 946,231,043.68, 1,307,076,916.08 and 713,044,355.68
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Solution
The fourth proportional to 946,231,043.68, 1,307,076,916.08 and 713,044,355.68 is: 984,964,321.00
Step by Step Solution
- Step 1: Write the proportion equation
946,231,043.68 : 1,307,076,916.08 = 713,044,355.68 : x - Step 2: Convert to fraction form
946,231,043.68/1,307,076,916.08 = 713,044,355.68/x - Step 3: Cross multiply
946,231,043.68x = 1,307,076,916.08 × 713,044,355.68 - Step 4: Simplify right side
946,231,043.68x = 932,003,817,450,464,896 - Step 5: Solve for x
x = 932,003,817,450,464,896/946,231,043.68 - Step 6: Final answer
x = 984,964,321.00
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Double scale
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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.