Finding the Fourth Proportional to 487,392,958.68, 672,598,305.69 and 264,374,079.28
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Solution
The fourth proportional to 487,392,958.68, 672,598,305.69 and 264,374,079.28 is: 364,834,072.03
Step by Step Solution
- Step 1: Write the proportion equation
487,392,958.68 : 672,598,305.69 = 264,374,079.28 : x - Step 2: Convert to fraction form
487,392,958.68/672,598,305.69 = 264,374,079.28/x - Step 3: Cross multiply
487,392,958.68x = 672,598,305.69 × 264,374,079.28 - Step 4: Simplify right side
487,392,958.68x = 177,817,557,792,081,760 - Step 5: Solve for x
x = 177,817,557,792,081,760/487,392,958.68 - Step 6: Final answer
x = 364,834,072.03
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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.