Finding the Fourth Proportional to 1,051,522,396.24, 1,451,003,524.68 and 581,613,603.92
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Solution
The fourth proportional to 1,051,522,396.24, 1,451,003,524.68 and 581,613,603.92 is: 802,572,909.82
Step by Step Solution
- Step 1: Write the proportion equation
1,051,522,396.24 : 1,451,003,524.68 = 581,613,603.92 : x - Step 2: Convert to fraction form
1,051,522,396.24/1,451,003,524.68 = 581,613,603.92/x - Step 3: Cross multiply
1,051,522,396.24x = 1,451,003,524.68 × 581,613,603.92 - Step 4: Simplify right side
1,051,522,396.24x = 843,923,389,289,757,440 - Step 5: Solve for x
x = 843,923,389,289,757,440/1,051,522,396.24 - Step 6: Final answer
x = 802,572,909.82
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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.