Finding the Fourth Proportional to 6,843,711,288.86, 9,441,313,134.92 and 4,129,465,139.84
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Solution
The fourth proportional to 6,843,711,288.86, 9,441,313,134.92 and 4,129,465,139.84 is: 5,696,846,611.35
Step by Step Solution
- Step 1: Write the proportion equation
6,843,711,288.86 : 9,441,313,134.92 = 4,129,465,139.84 : x - Step 2: Convert to fraction form
6,843,711,288.86/9,441,313,134.92 = 4,129,465,139.84/x - Step 3: Cross multiply
6,843,711,288.86x = 9,441,313,134.92 × 4,129,465,139.84 - Step 4: Simplify right side
6,843,711,288.86x = 38,987,573,464,984,297,472 - Step 5: Solve for x
x = 38,987,573,464,984,297,472/6,843,711,288.86 - Step 6: Final answer
x = 5,696,846,611.35
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1.5x scale
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.