Finding the Fourth Proportional to 815,771,567,891.76, 1,125,768,263,600.70 and 444,983,066,215.96
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Solution
The fourth proportional to 815,771,567,891.76, 1,125,768,263,600.70 and 444,983,066,215.96 is: 614,078,540,491.77
Step by Step Solution
- Step 1: Write the proportion equation
815,771,567,891.76 : 1,125,768,263,600.70 = 444,983,066,215.96 : x - Step 2: Convert to fraction form
815,771,567,891.76/1,125,768,263,600.70 = 444,983,066,215.96/x - Step 3: Cross multiply
815,771,567,891.76x = 1,125,768,263,600.70 × 444,983,066,215.96 - Step 4: Simplify right side
815,771,567,891.76x = 500,947,813,785,656,593,743,872 - Step 5: Solve for x
x = 500,947,813,785,656,593,743,872/815,771,567,891.76 - Step 6: Final answer
x = 614,078,540,491.77
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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.