Finding the Fourth Proportional to 576,917,020.08, 796,160,309.76 and 354,021,850.98
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Solution
The fourth proportional to 576,917,020.08, 796,160,309.76 and 354,021,850.98 is: 488,559,249.82
Step by Step Solution
- Step 1: Write the proportion equation
576,917,020.08 : 796,160,309.76 = 354,021,850.98 : x - Step 2: Convert to fraction form
576,917,020.08/796,160,309.76 = 354,021,850.98/x - Step 3: Cross multiply
576,917,020.08x = 796,160,309.76 × 354,021,850.98 - Step 4: Simplify right side
576,917,020.08x = 281,858,146,538,045,376 - Step 5: Solve for x
x = 281,858,146,538,045,376/576,917,020.08 - Step 6: Final answer
x = 488,559,249.82
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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.