Finding the Fourth Proportional to 5,479,703,423.73, 7,561,990,725.42 and 2,973,577,135.50
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Solution
The fourth proportional to 5,479,703,423.73, 7,561,990,725.42 and 2,973,577,135.50 is: 4,103,536,447.35
Step by Step Solution
- Step 1: Write the proportion equation
5,479,703,423.73 : 7,561,990,725.42 = 2,973,577,135.50 : x - Step 2: Convert to fraction form
5,479,703,423.73/7,561,990,725.42 = 2,973,577,135.50/x - Step 3: Cross multiply
5,479,703,423.73x = 7,561,990,725.42 × 2,973,577,135.50 - Step 4: Simplify right side
5,479,703,423.73x = 22,486,162,719,971,971,072 - Step 5: Solve for x
x = 22,486,162,719,971,971,072/5,479,703,423.73 - Step 6: Final answer
x = 4,103,536,447.35
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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.