Finding the Fourth Proportional to 1,816,688,573.11, 2,507,031,329.22 and 981,313,512.76
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Solution
The fourth proportional to 1,816,688,573.11, 2,507,031,329.22 and 981,313,512.76 is: 1,354,213,240.89
Step by Step Solution
- Step 1: Write the proportion equation
1,816,688,573.11 : 2,507,031,329.22 = 981,313,512.76 : x - Step 2: Convert to fraction form
1,816,688,573.11/2,507,031,329.22 = 981,313,512.76/x - Step 3: Cross multiply
1,816,688,573.11x = 2,507,031,329.22 × 981,313,512.76 - Step 4: Simplify right side
1,816,688,573.11x = 2,460,183,720,276,250,112 - Step 5: Solve for x
x = 2,460,183,720,276,250,112/1,816,688,573.11 - Step 6: Final answer
x = 1,354,213,240.89
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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.