Finding the Fourth Proportional to 5,727,473,282.40, 7,904,601,205.28 and 3,469,346,553.03
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Solution
The fourth proportional to 5,727,473,282.40, 7,904,601,205.28 and 3,469,346,553.03 is: 4,788,115,036.50
Step by Step Solution
- Step 1: Write the proportion equation
5,727,473,282.40 : 7,904,601,205.28 = 3,469,346,553.03 : x - Step 2: Convert to fraction form
5,727,473,282.40/7,904,601,205.28 = 3,469,346,553.03/x - Step 3: Cross multiply
5,727,473,282.40x = 7,904,601,205.28 × 3,469,346,553.03 - Step 4: Simplify right side
5,727,473,282.40x = 27,423,800,944,638,226,432 - Step 5: Solve for x
x = 27,423,800,944,638,226,432/5,727,473,282.40 - Step 6: Final answer
x = 4,788,115,036.50
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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.