Finding the Fourth Proportional to 1,465,657,927.20, 2,198,486,890.80 and 1,397,633,479.20
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Solution
The fourth proportional to 1,465,657,927.20, 2,198,486,890.80 and 1,397,633,479.20 is: 2,096,450,218.80
Step by Step Solution
- Step 1: Write the proportion equation
1,465,657,927.20 : 2,198,486,890.80 = 1,397,633,479.20 : x - Step 2: Convert to fraction form
1,465,657,927.20/2,198,486,890.80 = 1,397,633,479.20/x - Step 3: Cross multiply
1,465,657,927.20x = 2,198,486,890.80 × 1,397,633,479.20 - Step 4: Simplify right side
1,465,657,927.20x = 3,072,678,882,164,395,008 - Step 5: Solve for x
x = 3,072,678,882,164,395,008/1,465,657,927.20 - Step 6: Final answer
x = 2,096,450,218.80
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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.