Finding the Fourth Proportional to 3,079,557,727.20, 4,619,336,590.80 and 1,855,117,663.20
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Solution
The fourth proportional to 3,079,557,727.20, 4,619,336,590.80 and 1,855,117,663.20 is: 2,782,676,494.80
Step by Step Solution
- Step 1: Write the proportion equation
3,079,557,727.20 : 4,619,336,590.80 = 1,855,117,663.20 : x - Step 2: Convert to fraction form
3,079,557,727.20/4,619,336,590.80 = 1,855,117,663.20/x - Step 3: Cross multiply
3,079,557,727.20x = 4,619,336,590.80 × 1,855,117,663.20 - Step 4: Simplify right side
3,079,557,727.20x = 8,569,412,901,859,150,848 - Step 5: Solve for x
x = 8,569,412,901,859,150,848/3,079,557,727.20 - Step 6: Final answer
x = 2,782,676,494.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.