Finding the Fourth Proportional to 1,572,793,183.08, 2,170,506,723.98 and 858,367,855.85
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Solution
The fourth proportional to 1,572,793,183.08, 2,170,506,723.98 and 858,367,855.85 is: 1,184,576,092.27
Step by Step Solution
- Step 1: Write the proportion equation
1,572,793,183.08 : 2,170,506,723.98 = 858,367,855.85 : x - Step 2: Convert to fraction form
1,572,793,183.08/2,170,506,723.98 = 858,367,855.85/x - Step 3: Cross multiply
1,572,793,183.08x = 2,170,506,723.98 × 858,367,855.85 - Step 4: Simplify right side
1,572,793,183.08x = 1,863,093,202,755,576,064 - Step 5: Solve for x
x = 1,863,093,202,755,576,064/1,572,793,183.08 - Step 6: Final answer
x = 1,184,576,092.27
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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.