Finding the Fourth Proportional to 904,212,462.99, 1,354,341,235.52 and 641,099,469.33
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Solution
The fourth proportional to 904,212,462.99, 1,354,341,235.52 and 641,099,469.33 is: 960,247,157.52
Step by Step Solution
- Step 1: Write the proportion equation
904,212,462.99 : 1,354,341,235.52 = 641,099,469.33 : x - Step 2: Convert to fraction form
904,212,462.99/1,354,341,235.52 = 641,099,469.33/x - Step 3: Cross multiply
904,212,462.99x = 1,354,341,235.52 × 641,099,469.33 - Step 4: Simplify right side
904,212,462.99x = 868,267,447,380,403,200 - Step 5: Solve for x
x = 868,267,447,380,403,200/904,212,462.99 - Step 6: Final answer
x = 960,247,157.52
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Double scale
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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.