Finding the Fourth Proportional to 756,975,927.30, 1,135,463,890.95 and 739,969,815.30
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Solution
The fourth proportional to 756,975,927.30, 1,135,463,890.95 and 739,969,815.30 is: 1,109,954,722.95
Step by Step Solution
- Step 1: Write the proportion equation
756,975,927.30 : 1,135,463,890.95 = 739,969,815.30 : x - Step 2: Convert to fraction form
756,975,927.30/1,135,463,890.95 = 739,969,815.30/x - Step 3: Cross multiply
756,975,927.30x = 1,135,463,890.95 × 739,969,815.30 - Step 4: Simplify right side
756,975,927.30x = 840,209,005,666,090,880 - Step 5: Solve for x
x = 840,209,005,666,090,880/756,975,927.30 - Step 6: Final answer
x = 1,109,954,722.95
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1.5x scale
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.