Finding the Fourth Proportional to 3,775,252,167.72, 5,210,461,661.58 and 2,271,398,534.28
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Solution
The fourth proportional to 3,775,252,167.72, 5,210,461,661.58 and 2,271,398,534.28 is: 3,134,899,194.87
Step by Step Solution
- Step 1: Write the proportion equation
3,775,252,167.72 : 5,210,461,661.58 = 2,271,398,534.28 : x - Step 2: Convert to fraction form
3,775,252,167.72/5,210,461,661.58 = 2,271,398,534.28/x - Step 3: Cross multiply
3,775,252,167.72x = 5,210,461,661.58 × 2,271,398,534.28 - Step 4: Simplify right side
3,775,252,167.72x = 11,835,034,981,034,946,560 - Step 5: Solve for x
x = 11,835,034,981,034,946,560/3,775,252,167.72 - Step 6: Final answer
x = 3,134,899,194.87
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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.