Finding the Fourth Proportional to 2,040,833,110, 2,816,438,879.36 and 1,148,817,395.92
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Solution
The fourth proportional to 2,040,833,110, 2,816,438,879.36 and 1,148,817,395.92 is: 1,585,418,211.46
Step by Step Solution
- Step 1: Write the proportion equation
2,040,833,110 : 2,816,438,879.36 = 1,148,817,395.92 : x - Step 2: Convert to fraction form
2,040,833,110/2,816,438,879.36 = 1,148,817,395.92/x - Step 3: Cross multiply
2,040,833,110x = 2,816,438,879.36 × 1,148,817,395.92 - Step 4: Simplify right side
2,040,833,110x = 3,235,573,979,154,198,528 - Step 5: Solve for x
x = 3,235,573,979,154,198,528/2,040,833,110 - Step 6: Final answer
x = 1,585,418,211.46
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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.