Finding the Fourth Proportional to 5,338,206,818.70, 8,007,310,228.05 and 4,472,967,726.60
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Solution
The fourth proportional to 5,338,206,818.70, 8,007,310,228.05 and 4,472,967,726.60 is: 6,709,451,589.90
Step by Step Solution
- Step 1: Write the proportion equation
5,338,206,818.70 : 8,007,310,228.05 = 4,472,967,726.60 : x - Step 2: Convert to fraction form
5,338,206,818.70/8,007,310,228.05 = 4,472,967,726.60/x - Step 3: Cross multiply
5,338,206,818.70x = 8,007,310,228.05 × 4,472,967,726.60 - Step 4: Simplify right side
5,338,206,818.70x = 35,816,440,226,941,739,008 - Step 5: Solve for x
x = 35,816,440,226,941,739,008/5,338,206,818.70 - Step 6: Final answer
x = 6,709,451,589.90
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1.5x scale
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.