Finding the Fourth Proportional to 824,034,764.16, 1,235,860,389.12 and 306,708,837.12
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Solution
The fourth proportional to 824,034,764.16, 1,235,860,389.12 and 306,708,837.12 is: 459,991,882.96
Step by Step Solution
- Step 1: Write the proportion equation
824,034,764.16 : 1,235,860,389.12 = 306,708,837.12 : x - Step 2: Convert to fraction form
824,034,764.16/1,235,860,389.12 = 306,708,837.12/x - Step 3: Cross multiply
824,034,764.16x = 1,235,860,389.12 × 306,708,837.12 - Step 4: Simplify right side
824,034,764.16x = 379,049,302,789,665,856 - Step 5: Solve for x
x = 379,049,302,789,665,856/824,034,764.16 - Step 6: Final answer
x = 459,991,882.96
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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.