Finding the Fourth Proportional to 815,771,569,307.41, 1,125,768,265,554 and 444,983,067,630.70
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Solution
The fourth proportional to 815,771,569,307.41, 1,125,768,265,554 and 444,983,067,630.70 is: 614,078,542,443.95
Step by Step Solution
- Step 1: Write the proportion equation
815,771,569,307.41 : 1,125,768,265,554 = 444,983,067,630.70 : x - Step 2: Convert to fraction form
815,771,569,307.41/1,125,768,265,554 = 444,983,067,630.70/x - Step 3: Cross multiply
815,771,569,307.41x = 1,125,768,265,554 × 444,983,067,630.70 - Step 4: Simplify right side
815,771,569,307.41x = 500,947,816,247,511,446,716,416 - Step 5: Solve for x
x = 500,947,816,247,511,446,716,416/815,771,569,307.41 - Step 6: Final answer
x = 614,078,542,443.95
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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.