Finding the Fourth Proportional to 1,368,105,581.08, 1,887,935,121.96 and 741,560,556.94
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Solution
The fourth proportional to 1,368,105,581.08, 1,887,935,121.96 and 741,560,556.94 is: 1,023,326,152.51
Step by Step Solution
- Step 1: Write the proportion equation
1,368,105,581.08 : 1,887,935,121.96 = 741,560,556.94 : x - Step 2: Convert to fraction form
1,368,105,581.08/1,887,935,121.96 = 741,560,556.94/x - Step 3: Cross multiply
1,368,105,581.08x = 1,887,935,121.96 × 741,560,556.94 - Step 4: Simplify right side
1,368,105,581.08x = 1,400,018,220,507,244,544 - Step 5: Solve for x
x = 1,400,018,220,507,244,544/1,368,105,581.08 - Step 6: Final answer
x = 1,023,326,152.51
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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.