Finding the Fourth Proportional to 815,771,569,295.95, 1,125,768,265,538 and 444,983,067,619.28
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Solution
The fourth proportional to 815,771,569,295.95, 1,125,768,265,538 and 444,983,067,619.28 is: 614,078,542,428.09
Step by Step Solution
- Step 1: Write the proportion equation
815,771,569,295.95 : 1,125,768,265,538 = 444,983,067,619.28 : x - Step 2: Convert to fraction form
815,771,569,295.95/1,125,768,265,538 = 444,983,067,619.28/x - Step 3: Cross multiply
815,771,569,295.95x = 1,125,768,265,538 × 444,983,067,619.28 - Step 4: Simplify right side
815,771,569,295.95x = 500,947,816,227,535,419,604,992 - Step 5: Solve for x
x = 500,947,816,227,535,419,604,992/815,771,569,295.95 - Step 6: Final answer
x = 614,078,542,428.09
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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.