Finding the Fourth Proportional to 848,024,148.50, 1,170,256,543.09 and 471,672,640.59
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Solution
The fourth proportional to 848,024,148.50, 1,170,256,543.09 and 471,672,640.59 is: 650,898,909.92
Step by Step Solution
- Step 1: Write the proportion equation
848,024,148.50 : 1,170,256,543.09 = 471,672,640.59 : x - Step 2: Convert to fraction form
848,024,148.50/1,170,256,543.09 = 471,672,640.59/x - Step 3: Cross multiply
848,024,148.50x = 1,170,256,543.09 × 471,672,640.59 - Step 4: Simplify right side
848,024,148.50x = 551,977,993,844,118,016 - Step 5: Solve for x
x = 551,977,993,844,118,016/848,024,148.50 - Step 6: Final answer
x = 650,898,909.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.