Finding the Fourth Proportional to 6,874,579,615.42, 9,479,412,636.87 and 4,643,037,546.94
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Solution
The fourth proportional to 6,874,579,615.42, 9,479,412,636.87 and 4,643,037,546.94 is: 6,402,321,488.46
Step by Step Solution
- Step 1: Write the proportion equation
6,874,579,615.42 : 9,479,412,636.87 = 4,643,037,546.94 : x - Step 2: Convert to fraction form
6,874,579,615.42/9,479,412,636.87 = 4,643,037,546.94/x - Step 3: Cross multiply
6,874,579,615.42x = 9,479,412,636.87 × 4,643,037,546.94 - Step 4: Simplify right side
6,874,579,615.42x = 44,013,268,795,924,922,368 - Step 5: Solve for x
x = 44,013,268,795,924,922,368/6,874,579,615.42 - Step 6: Final answer
x = 6,402,321,488.46
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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.