Finding the Fourth Proportional to 1,959,550,514.14, 2,704,178,517.33 and 1,079,484,218.14
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Solution
The fourth proportional to 1,959,550,514.14, 2,704,178,517.33 and 1,079,484,218.14 is: 1,489,687,564.28
Step by Step Solution
- Step 1: Write the proportion equation
1,959,550,514.14 : 2,704,178,517.33 = 1,079,484,218.14 : x - Step 2: Convert to fraction form
1,959,550,514.14/2,704,178,517.33 = 1,079,484,218.14/x - Step 3: Cross multiply
1,959,550,514.14x = 2,704,178,517.33 × 1,079,484,218.14 - Step 4: Simplify right side
1,959,550,514.14x = 2,919,118,032,490,959,872 - Step 5: Solve for x
x = 2,919,118,032,490,959,872/1,959,550,514.14 - Step 6: Final answer
x = 1,489,687,564.28
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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.