Finding the Fourth Proportional to 815,761,837.19, 1,125,751,497.33 and 444,483,868.57
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Solution
The fourth proportional to 815,761,837.19, 1,125,751,497.33 and 444,483,868.57 is: 613,387,826.90
Step by Step Solution
- Step 1: Write the proportion equation
815,761,837.19 : 1,125,751,497.33 = 444,483,868.57 : x - Step 2: Convert to fraction form
815,761,837.19/1,125,751,497.33 = 444,483,868.57/x - Step 3: Cross multiply
815,761,837.19x = 1,125,751,497.33 × 444,483,868.57 - Step 4: Simplify right side
815,761,837.19x = 500,378,380,580,583,104 - Step 5: Solve for x
x = 500,378,380,580,583,104/815,761,837.19 - Step 6: Final answer
x = 613,387,826.90
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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.