Finding the Fourth Proportional to 767,632,091.83, 1,151,451,511.07 and 243,003,770.99
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Solution
The fourth proportional to 767,632,091.83, 1,151,451,511.07 and 243,003,770.99 is: 364,506,724.35
Step by Step Solution
- Step 1: Write the proportion equation
767,632,091.83 : 1,151,451,511.07 = 243,003,770.99 : x - Step 2: Convert to fraction form
767,632,091.83/1,151,451,511.07 = 243,003,770.99/x - Step 3: Cross multiply
767,632,091.83x = 1,151,451,511.07 × 243,003,770.99 - Step 4: Simplify right side
767,632,091.83x = 279,807,059,296,386,464 - Step 5: Solve for x
x = 279,807,059,296,386,464/767,632,091.83 - Step 6: Final answer
x = 364,506,724.35
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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.