Finding the Fourth Proportional to 815,761,882.68, 1,125,751,560.08 and 444,483,914.04
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Solution
The fourth proportional to 815,761,882.68, 1,125,751,560.08 and 444,483,914.04 is: 613,387,889.63
Step by Step Solution
- Step 1: Write the proportion equation
815,761,882.68 : 1,125,751,560.08 = 444,483,914.04 : x - Step 2: Convert to fraction form
815,761,882.68/1,125,751,560.08 = 444,483,914.04/x - Step 3: Cross multiply
815,761,882.68x = 1,125,751,560.08 × 444,483,914.04 - Step 4: Simplify right side
815,761,882.68x = 500,378,459,660,994,624 - Step 5: Solve for x
x = 500,378,459,660,994,624/815,761,882.68 - Step 6: Final answer
x = 613,387,889.63
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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.