Finding the Fourth Proportional to 756,975,918.30, 1,135,463,877.45 and 739,969,806.30
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Solution
The fourth proportional to 756,975,918.30, 1,135,463,877.45 and 739,969,806.30 is: 1,109,954,709.45
Step by Step Solution
- Step 1: Write the proportion equation
756,975,918.30 : 1,135,463,877.45 = 739,969,806.30 : x - Step 2: Convert to fraction form
756,975,918.30/1,135,463,877.45 = 739,969,806.30/x - Step 3: Cross multiply
756,975,918.30x = 1,135,463,877.45 × 739,969,806.30 - Step 4: Simplify right side
756,975,918.30x = 840,208,985,457,323,392 - Step 5: Solve for x
x = 840,208,985,457,323,392/756,975,918.30 - Step 6: Final answer
x = 1,109,954,709.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.