Finding the Fourth Proportional to 738,234,704.70, 1,107,352,057.05 and 726,755,579.10
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Solution
The fourth proportional to 738,234,704.70, 1,107,352,057.05 and 726,755,579.10 is: 1,090,133,368.65
Step by Step Solution
- Step 1: Write the proportion equation
738,234,704.70 : 1,107,352,057.05 = 726,755,579.10 : x - Step 2: Convert to fraction form
738,234,704.70/1,107,352,057.05 = 726,755,579.10/x - Step 3: Cross multiply
738,234,704.70x = 1,107,352,057.05 × 726,755,579.10 - Step 4: Simplify right side
738,234,704.70x = 804,774,285,488,948,992 - Step 5: Solve for x
x = 804,774,285,488,948,992/738,234,704.70 - Step 6: Final answer
x = 1,090,133,368.65
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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.