Finding the Fourth Proportional to 815,771,569,519.32, 1,125,768,265,846.10 and 444,983,067,842.80
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Solution
The fourth proportional to 815,771,569,519.32, 1,125,768,265,846.10 and 444,983,067,842.80 is: 614,078,542,736.47
Step by Step Solution
- Step 1: Write the proportion equation
815,771,569,519.32 : 1,125,768,265,846.10 = 444,983,067,842.80 : x - Step 2: Convert to fraction form
815,771,569,519.32/1,125,768,265,846.10 = 444,983,067,842.80/x - Step 3: Cross multiply
815,771,569,519.32x = 1,125,768,265,846.10 × 444,983,067,842.80 - Step 4: Simplify right side
815,771,569,519.32x = 500,947,816,616,266,467,115,008 - Step 5: Solve for x
x = 500,947,816,616,266,467,115,008/815,771,569,519.32 - Step 6: Final answer
x = 614,078,542,736.47
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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.