Finding the Fourth Proportional to 758,234,775.70, 1,137,352,163.55 and 758,234,775.70
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Solution
The fourth proportional to 758,234,775.70, 1,137,352,163.55 and 758,234,775.70 is: 1,137,352,163.55
Step by Step Solution
- Step 1: Write the proportion equation
758,234,775.70 : 1,137,352,163.55 = 758,234,775.70 : x - Step 2: Convert to fraction form
758,234,775.70/1,137,352,163.55 = 758,234,775.70/x - Step 3: Cross multiply
758,234,775.70x = 1,137,352,163.55 × 758,234,775.70 - Step 4: Simplify right side
758,234,775.70x = 862,379,962,621,244,032 - Step 5: Solve for x
x = 862,379,962,621,244,032/758,234,775.70 - Step 6: Final answer
x = 1,137,352,163.55
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Double scale
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Similar ratio
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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.