Finding the Fourth Proportional to 1,816,688,557.24, 2,507,031,307.30 and 981,313,496.88
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Solution
The fourth proportional to 1,816,688,557.24, 2,507,031,307.30 and 981,313,496.88 is: 1,354,213,218.96
Step by Step Solution
- Step 1: Write the proportion equation
1,816,688,557.24 : 2,507,031,307.30 = 981,313,496.88 : x - Step 2: Convert to fraction form
1,816,688,557.24/2,507,031,307.30 = 981,313,496.88/x - Step 3: Cross multiply
1,816,688,557.24x = 2,507,031,307.30 × 981,313,496.88 - Step 4: Simplify right side
1,816,688,557.24x = 2,460,183,658,954,201,088 - Step 5: Solve for x
x = 2,460,183,658,954,201,088/1,816,688,557.24 - Step 6: Final answer
x = 1,354,213,218.96
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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.