Finding the Fourth Proportional to 6,498,195,915.84, 8,975,922,228.18 and 5,373,707,797.68
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Solution
The fourth proportional to 6,498,195,915.84, 8,975,922,228.18 and 5,373,707,797.68 is: 7,422,672,983.95
Step by Step Solution
- Step 1: Write the proportion equation
6,498,195,915.84 : 8,975,922,228.18 = 5,373,707,797.68 : x - Step 2: Convert to fraction form
6,498,195,915.84/8,975,922,228.18 = 5,373,707,797.68/x - Step 3: Cross multiply
6,498,195,915.84x = 8,975,922,228.18 × 5,373,707,797.68 - Step 4: Simplify right side
6,498,195,915.84x = 48,233,983,268,940,111,872 - Step 5: Solve for x
x = 48,233,983,268,940,111,872/6,498,195,915.84 - Step 6: Final answer
x = 7,422,672,983.95
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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.