Finding the Fourth Proportional to 4,998,440,458.05, 6,897,903,833.61 and 2,855,330,814.57
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Solution
The fourth proportional to 4,998,440,458.05, 6,897,903,833.61 and 2,855,330,814.57 is: 3,940,388,514.65
Step by Step Solution
- Step 1: Write the proportion equation
4,998,440,458.05 : 6,897,903,833.61 = 2,855,330,814.57 : x - Step 2: Convert to fraction form
4,998,440,458.05/6,897,903,833.61 = 2,855,330,814.57/x - Step 3: Cross multiply
4,998,440,458.05x = 6,897,903,833.61 × 2,855,330,814.57 - Step 4: Simplify right side
4,998,440,458.05x = 19,695,797,372,047,167,488 - Step 5: Solve for x
x = 19,695,797,372,047,167,488/4,998,440,458.05 - Step 6: Final answer
x = 3,940,388,514.65
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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.