Finding the Fourth Proportional to 1,136,368,824.48, 1,568,020,842 and 690,100,106.40
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Solution
The fourth proportional to 1,136,368,824.48, 1,568,020,842 and 690,100,106.40 is: 952,236,040.44
Step by Step Solution
- Step 1: Write the proportion equation
1,136,368,824.48 : 1,568,020,842 = 690,100,106.40 : x - Step 2: Convert to fraction form
1,136,368,824.48/1,568,020,842 = 690,100,106.40/x - Step 3: Cross multiply
1,136,368,824.48x = 1,568,020,842 × 690,100,106.40 - Step 4: Simplify right side
1,136,368,824.48x = 1,082,091,349,901,617,536 - Step 5: Solve for x
x = 1,082,091,349,901,617,536/1,136,368,824.48 - Step 6: Final answer
x = 952,236,040.44
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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.